{
  "base_commit": "1cc412fddde5aacb0cc66311a96e25d67465fdb9",
  "candidate_command": [
    "rg",
    "-l",
    "--glob",
    "*.yaml",
    "^\\s+onset:",
    "kb/disorders",
    "kb/modules"
  ],
  "method": "Parse candidate YAML and recursively enumerate onset keys. Scope is disorder/module YAML containing an indented onset: key.",
  "files": 244,
  "annotations": 533,
  "counts_by_section": {
    "phenotypes": 533
  },
  "rows": [
    {"file": "kb/disorders/15q11q13_Microduplication_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/A20_Haploinsufficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Childhood onset is one of the features separating this disease from sporadic Behcet disease, which typically begins in early adulthood. Supported by PMID:26642243, which describes early-onset systemic inflammation in the original six families, and by PMID:31164164, which identifies early onset as a discriminator against Behcet disease."}},
    {"file": "kb/disorders/A20_Haploinsufficiency.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/ABCC9-Related_Intellectual_Disability_and_Myopathy_Syndrome.yaml", "path": ["phenotypes", 19, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/ADNP-Related_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/ADNP-Related_Syndrome.yaml", "path": ["phenotypes", 17, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/ADan_amyloidosis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/ADan_amyloidosis.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/ADan_amyloidosis.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/ADan_amyloidosis.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "MIDDLE_AGE"}},
    {"file": "kb/disorders/ADan_amyloidosis.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "MIDDLE_AGE"}},
    {"file": "kb/disorders/ADan_amyloidosis.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "MIDDLE_AGE"}},
    {"file": "kb/disorders/ARX-Related_Lissencephaly_and_Interneuronopathy.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Achondroplasia.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Adult-Onset_Proximal_Spinal_Muscular_Atrophy_Autosomal_Dominant.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "mean_age_years": 44.9, "notes": "The value in mean_age_years is the cohort MEDIAN (44.9 years, PMID:42166520, 78 molecularly confirmed patients); the slot has no median field, so it is recorded here and disambiguated in this note, following the pattern in CASQ2_CPVT and PARK7-Related_Early-Onset_Parkinson_Disease. Do not read it as a mean. There was no sex predominance. The generic ADULT bucket (HP:0003581) is used rather than MIDDLE_AGE because the series reports only that median, not the distribution, so narrowing to a single adult sub-bucket would over-specify."}},
    {"file": "kb/disorders/Adult-Onset_Proximal_Spinal_Muscular_Atrophy_Autosomal_Dominant.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Agenesis_of_the_Corpus_Callosum_with_Peripheral_Neuropathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Agenesis_of_the_Corpus_Callosum_with_Peripheral_Neuropathy.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Agenesis_of_the_Corpus_Callosum_with_Peripheral_Neuropathy.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Aland_Island_Eye_Disease.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Aland_Island_Eye_Disease.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Alopecia-Intellectual_Disability_Syndrome_4.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Alport_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Alport_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Aminoacylase_1_Deficiency.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Aneurysm-Osteoarthritis_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Atransferrinemia.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Autoinflammation_Immune_Dysregulation_and_Eosinophilia.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Autosomal_Dominant_Epilepsy_with_Auditory_Features.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Autosomal_Dominant_Nonsyndromic_Hearing_Loss_12.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Autosomal_Dominant_Nonsyndromic_Hearing_Loss_3A.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"notes": "onset_category is deliberately left unset. The founding pedigree's deafness is profound and prelingual, and the mouse lesion is a failure of postnatal organ of Corti development, which together suggest a congenital presentation - but no age-of-onset series exists for DFNA3A, and dominant GJB2 pedigrees with later, progressive loss are also reported. Asserting CONGENITAL would put a claim in a filterable slot that the evidence does not carry, and a consumer filtering on onset_category would never see this qualification."}},
    {"file": "kb/disorders/Autosomal_Recessive_Ataxia_Due_to_Ubiquinone_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Autosomal_Recessive_Ataxia_Due_to_Ubiquinone_Deficiency.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Autosomal_Recessive_Cutis_Laxa_Type_2A.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Autosomal_Recessive_Cutis_Laxa_Type_2A.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Autosomal_Recessive_Cutis_Laxa_Type_2A.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Autosomal_Recessive_Nonsyndromic_Hearing_Loss_115.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Both probands were impaired when first formally tested, at two and at eight years. Neither report establishes whether the loss was present at birth, so CHILDHOOD rather than CONGENITAL. This duplicates the separate Childhood Onset of Hearing Impairment phenotype on purpose: the descriptor slot is the queryable form, and the phenotype is kept because it is what carries the onset evidence and the causal edge."}},
    {"file": "kb/disorders/Autosomal_Recessive_Nonsyndromic_Hearing_Loss_30.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Autosomal_Recessive_Nonsyndromic_Hearing_Loss_77.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Autosomal_Recessive_Spinocerebellar_Ataxia_16.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 17.0, "min_age_years": 0.5, "max_age_years": 49.0, "notes": "Median 17 years, range 0.5-49, from the SCAR16-only patient set assembled by Madrigal 2019; the recorded value is that median, not an arithmetic mean. The category is JUVENILE on the median even though the range reaches infancy at one end and the fifth decade at the other. A French series reports 14-76 years, but for a combined SCAR16 and SCA48 cohort, so it is not used to set the range here."}},
    {"file": "kb/disorders/Avascular_Necrosis_Of_Femoral_Head_Primary_2.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Axial_Spondylometaphyseal_Dysplasia.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/BPTF-Related_Neurodevelopmental_Disorder.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/BPTF-Related_Neurodevelopmental_Disorder.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Bainbridge-Ropers_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Bainbridge-Ropers_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Bainbridge-Ropers_Syndrome.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Bainbridge-Ropers_Syndrome.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Bainbridge-Ropers_Syndrome.yaml", "path": ["phenotypes", 23, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Bainbridge-Ropers_Syndrome.yaml", "path": ["phenotypes", 28, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Becker_Muscular_Dystrophy.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 15, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 16, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Behr_Syndrome.yaml", "path": ["phenotypes", 17, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Blue_Cone_Monochromacy.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Typically evident by 3-6 months, when nystagmus and photophobia bring the child to attention. Infantile onset is a useful discriminator from the progressive cone dystrophies."}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brachyphalangy_Polydactyly_Tibial_Aplasia_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Brody_Myopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Onset is in childhood in the large majority. Recorded as a descriptor qualifier rather than as a separate phenotype, since HPO onset terms sit outside the phenotypic-abnormality branch the PhenotypeTerm enum draws from."}},
    {"file": "kb/disorders/Bryant-Li-Bhoj_Neurodevelopmental_Syndrome_1.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/CACNA1E-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/CAPOS_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Usually ages 6 months to 5 years."}},
    {"file": "kb/disorders/CASQ2_CPVT.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 7.0, "notes": "HP:0003621 Juvenile onset spans 5-15 years, which is the band both cited figures fall in: the CASQ2-specific cohort reports a median age of onset of 7 years, and GeneReviews gives a mean of seven to 12 years. The value in mean_age_years is the cohort MEDIAN (7 years, PMID:32693635); the slot has no median field, so it is recorded here and disambiguated in this note, following the pattern in PARK7-Related_Early-Onset_Parkinson_Disease."}},
    {"file": "kb/disorders/CASQ2_CPVT.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Deliberately CHILDHOOD (1-5 years) rather than JUVENILE, unlike the ventricular-tachycardia node above. The syncope evidence is split by genotype: homozygotes had syncope \"before the age of 7 years\" while the heterozygote's began \"from the age of 11 years\". CHILDHOOD is retained because it reflects the earlier biallelic presentation, which is the severe end this entry is anchored on; the heterozygous onset is later and is described in the phenotype text rather than forced into one band."}},
    {"file": "kb/disorders/CHOPS_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/CHOPS_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/CHOPS_Syndrome.yaml", "path": ["phenotypes", 16, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/CHOPS_Syndrome.yaml", "path": ["phenotypes", 17, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/CHOPS_Syndrome.yaml", "path": ["phenotypes", 22, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/CHOPS_Syndrome.yaml", "path": ["phenotypes", 43, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/CINCA_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/COA6-Related_Fatal_Infantile_Cardioencephalomyopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/COPA_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/COPA_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/COPA_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/COQ4-Related_Neonatal_Encephalomyopathy.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/COX14-Related_COX_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/COX5A-Related_COX_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/COX6A2-Related_COX_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/COXFA4-Related_COX_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/CPT1C-Related_Hereditary_Spastic_Paraplegia.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Cardiofacioneurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 15, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cardiomyopathy_Dilated_2J.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "min_age_years": 0.17, "max_age_years": 0.42, "notes": "All three reported patients presented between two and five months of age, which falls inside the HPO infantile-onset window (28 days to one year). The bounds are the reported two- and five-month extremes converted to years; they are the range across three patients, not a distribution."}},
    {"file": "kb/disorders/Central_Precocious_Puberty.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Cervical_Dystonia.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "notes": "Onset is characteristically in adulthood, typically the fifth decade, which is part of what distinguishes idiopathic focal cervical dystonia from the childhood-onset monogenic dystonias."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease-Hearing_Loss-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Early-onset; reported affected siblings presented in the first-to-second decade."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease-Hearing_Loss-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Early-onset; affected brothers reported at ages 11 and 13."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Axonal_Type_2T.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Demyelinating_Type_1G.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "min_age_years": 2, "notes": "Onset in the first to second decades in the index family; the later nine-member family reports onset ages from 2 years, which is why the category is CHILDHOOD rather than JUVENILE."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Dominant_Intermediate_B.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Dominant_Intermediate_G.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Recessive_Intermediate_D.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Childhood onset is the pattern in the founding consanguineous families, whose affected members reached adulthood. Not an observation with an age range behind it - no paper reports onset ages for this entity."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Recessive_Intermediate_D.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Recorded as infantile because the only patient in whom lactate was elevated presented at 2 years 4 months. The onset difference from the founding families is the axis the nosology knowledge gap turns on, so it is recorded structurally rather than only in prose."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Recessive_Intermediate_D.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Infantile in the single case reporting it. Contrast the childhood-onset neuropathy of the founding families; see the nosology knowledge gap."}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_Type_4K.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Charcot-Marie-Tooth_Disease_X-linked_Recessive_4.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Classic onset is neonatal to early childhood; across the broader AIFM1 spectrum reported age of onset ranges from ~18 months to ~39 years.\n"}},
    {"file": "kb/disorders/Childhood_Absence_Epilepsy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Chromophobe_Renal_Cell_Carcinoma.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "mean_age_years": 59.0, "min_age_years": 27.0, "max_age_years": 82.0, "notes": "Mean age and range from a 145-case surgical series. chRCC is an adult-onset tumor, on average somewhat younger than clear cell RCC."}},
    {"file": "kb/disorders/Combined_Immunodeficiency_Due_To_GINS1_Deficiency.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Combined_Oxidative_Phosphorylation_Defect_Type_26.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Combined_Oxidative_Phosphorylation_Defect_Type_26.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Combined_Oxidative_Phosphorylation_Defect_Type_7.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Combined_Oxidative_Phosphorylation_Deficiency_42.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Combined_Pituitary_Hormone_Deficiencies_Genetic_Form.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Combined_Pituitary_Hormone_Deficiencies_Genetic_Form.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Combined_Pituitary_Hormone_Deficiencies_Genetic_Form.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Congenital_Adrenal_Hyperplasia.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Congenital_Adrenal_Hyperplasia.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 21, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Congenital_Heart_Defects_and_Skeletal_Malformations_Syndrome.yaml", "path": ["phenotypes", 22, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Congenital_Leptin_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Congenital_Leptin_Deficiency.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Congenital_Primary_Megaureter.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Congenital_Renal_Artery_Stenosis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Congenital_Renal_Artery_Stenosis.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Congenital_Renal_Artery_Stenosis.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Congenital_Renal_Artery_Stenosis.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Congenital_Zika_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Corpus_Callosum_Agenesis-Intellectual_Disability-Coloboma-Micrognathia_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Corpus_Callosum_Agenesis-Intellectual_Disability-Coloboma-Micrognathia_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Corpus_Callosum_Agenesis-Intellectual_Disability-Coloboma-Micrognathia_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Corpus_Callosum_Agenesis-Intellectual_Disability-Coloboma-Micrognathia_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Corpus_Callosum_Agenesis-Intellectual_Disability-Coloboma-Micrognathia_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Cyanosis_Transient_Neonatal.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/D-Bifunctional_Protein_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/D-Bifunctional_Protein_Deficiency.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/D-Bifunctional_Protein_Deficiency.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/DTYMK-Related_Neurodegeneration.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "min_age_years": 0.5, "max_age_years": 2.0, "notes": "Ages at first documented seizure: 6 months (individual I, PMID:34918187), 15 months (individual II, PMID:34918187). The PMID:40696808 case had epilepsy at ascertainment aged 2 years but the age at first seizure is not stated in the abstract, so 2.0 years is an upper bound on ascertainment, not a reported onset age. INFANTILE (HP:0003593, 28 days to 1 year) is chosen because the earliest and best-documented onset falls in that window; the 15-month onset in individual II strictly falls in the CHILDHOOD band."}},
    {"file": "kb/disorders/DTYMK-Related_Neurodegeneration.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Individual I of PMID:34918187 is stated to have been hypotonic at birth, which is congenital onset (HP:0003577) for this feature specifically. The onset of hypotonia in the PMID:31271740 siblings is not stated."}},
    {"file": "kb/disorders/Deafness-Dystonia-Optic_Neuronopathy_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Deafness-Dystonia-Optic_Neuronopathy_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Deficiency_of_the_Interleukin-1_Receptor_Antagonist.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL", "notes": "Neonatal onset distinguishes this from most autoinflammatory bone disease, and is supported by PMID:19494218 describing neonatal onset in all nine children of the original cohort. Onset is not invariably neonatal. PMID:26100510 reports a girl who first presented at one year of age and is described there as having a late-onset presentation in comparison with previously reported children. The category stays NEONATAL because that is the presentation in the great majority of reported patients, but a later presentation does not exclude the diagnosis."}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_19.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_46.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_46.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_46.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_46.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_46.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_81.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Developmental_And_Epileptic_Encephalopathy_81.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Developmental_Malformations-Deafness-Dystonia_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Developmental_Malformations-Deafness-Dystonia_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Developmental_Malformations-Deafness-Dystonia_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Developmental_Malformations-Deafness-Dystonia_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_1GG.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL", "notes": "Onset is neonatal or within the first months of life, and in one patient the cardiomyopathy was detected in utero. This timing is what separates the entity from adult-onset familial dilated cardiomyopathy. Recorded as a structured onset descriptor rather than as a separate HP:0003623 phenotype, because onset terms are not members of the PhenotypeTerm enum."}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_1J.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_1J.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_1J.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_1O.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_2A.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL", "notes": "Characteristically neonatal, but the reported window extends through the first year of life; onset is not congenital, since affected infants are structurally normal at birth."}},
    {"file": "kb/disorders/Dilated_Cardiomyopathy_2A.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Distal_Myopathy_6_Adult-Onset_Autosomal_Dominant.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "notes": "Adult onset (HP:0003581, the generic HPO parent of the three narrower adult buckets). The reported families give only qualitative \"adult onset\" without a decade, so the generic ADULT category is used rather than over-specifying to YOUNG_ADULT / MIDDLE_AGE / LATE.\n"}},
    {"file": "kb/disorders/Distal_Myopathy_7_Adult-Onset_X-Linked.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Dyslexia.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/EAST_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Emery_Dreifuss_Muscular_Dystrophy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Epilepsy_of_Infancy_with_Migrating_Focal_Seizures.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Epilepsy_with_Generalized_Tonic-Clonic_Seizures_Alone.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 16.6, "min_age_years": 5.4, "max_age_years": 38.3, "notes": "Mean age at seizure onset 16.6 years (median 16.0, range 5.4-38.3) in the prospective ILAE-criteria cohort; median 17 years in the larger multicenter cohort and 18 years in a long-follow-up adolescent-onset series. Onset is characteristically in the second decade but the range extends well into adulthood."}},
    {"file": "kb/disorders/Epilepsy_with_Myoclonic_Atonic_Seizures.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Factor_XIII_A_Subunit_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Factor_XIII_A_Subunit_Deficiency.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Factor_XIII_A_Subunit_Deficiency.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Familial_Expansile_Osteolysis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "notes": "Focal skeletal lesions have their onset from the second decade in the original kindred; childhood onset is documented."}},
    {"file": "kb/disorders/Familial_Expansile_Osteolysis.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Hearing loss is present from childhood; the deep-research report gives onset as early as age 4 in the classic kindred."}},
    {"file": "kb/disorders/Familial_Progressive_Hyperpigmentation_With_Or_Without_Hypopigmentation.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Fanconi_Anemia.yaml", "path": ["phenotypes", 1, "phenotype_contexts", 0, "onset"], "onset": {"mean_age_years": 18.5, "min_age_years": 10.0, "notes": "All FANCA patients developed cancer after age 10."}},
    {"file": "kb/disorders/Fanconi_Anemia.yaml", "path": ["phenotypes", 1, "phenotype_contexts", 1, "onset"], "onset": {"mean_age_years": 5.2, "max_age_years": 10.0, "notes": "All non-FANCA patients developed cancer by age 10."}},
    {"file": "kb/disorders/Fanconi_Anemia.yaml", "path": ["phenotypes", 8, "phenotype_contexts", 0, "onset"], "onset": {"mean_age_years": 26.6, "notes": "Solid tumors appear significantly later than hematologic malignancies."}},
    {"file": "kb/disorders/Fanconi_Anemia.yaml", "path": ["phenotypes", 93, "phenotype_contexts", 0, "onset"], "onset": {"mean_age_years": 13.3}},
    {"file": "kb/disorders/Fibrosarcoma.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Infantile fibrosarcoma can present during infancy, including in newborns."}},
    {"file": "kb/disorders/Fountain_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Fountain_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Frank-Ter_Haar_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frank-Ter_Haar_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frank-Ter_Haar_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 15, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Frias_Syndrome.yaml", "path": ["phenotypes", 17, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/GNAO1-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/GUCA1A-Related_Retinopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT", "mean_age_years": 23.0, "min_age_years": 5.0, "max_age_years": 74.0, "notes": "Mean age at symptom onset 23 years (SD 17), range 5 to 74, across the 19-patient Allon cohort. The category is set on the mean; the range spans childhood to old age, and this wide spread is itself a characteristic of the disease rather than a measurement artifact."}},
    {"file": "kb/disorders/Genetic_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Onset is gene-dependent, spanning neonatal (KCNQ2, STXBP1, SCN2A/SCN8A gain-of-function) through early infantile (SCN1A, CDKL5) to later infancy and early childhood (PCDH19). Infantile onset is the modal category across the group."}},
    {"file": "kb/disorders/Glucose-Galactose_Malabsorption.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Hearing_Loss_Autosomal_Dominant_76.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Hearing_Loss_Autosomal_Recessive_108.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Hereditary_Arterial_and_Articular_Multiple_Calcification_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Hereditary_Arterial_and_Articular_Multiple_Calcification_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Hereditary_Hyperekplexia.yaml", "path": ["phenotypes", 20, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Hereditary_Spastic_Paraplegia_3A.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "mean_age_years": 4, "notes": "Average onset four years (GeneReviews); mean 4.6 +/- 3.9 years in the French series and 3 years in the Dutch-German series; onset ranged from 1 to 68 years in Taiwan."}},
    {"file": "kb/disorders/Hereditary_Spastic_Paraplegia_3A.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Hereditary_Spastic_Paraplegia_44.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Hypertrophic_Cardiomyopathy_14.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "LATE", "mean_age_years": 62.8, "notes": "Mean age at diagnosis in the elderly-onset cohort that yielded the founding alpha-MHC variant; mean age at first symptom in that series was 59.3 years."}},
    {"file": "kb/disorders/Hypokalemic_Periodic_Paralysis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Hypokalemic_Tubulopathy_and_Deafness.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Hypothalamic_Hamartoma_with_Gelastic_Seizures.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/IFAP_Syndrome_2.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Immunodeficiency_11B_With_Atopic_Dermatitis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "mean_age_years": 0.49, "notes": "Mean age of onset was 5.9 months in a 10-patient CADINS cohort."}},
    {"file": "kb/disorders/Immunodeficiency_131.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Softened from INFANTILE. The cached sources describe a paediatric cohort (7 patients, 6 families) and a paediatric case report, but neither abstract states ages of onset, so \"within the first year of life\" was not supportable. CHILDHOOD is what the available text sustains; revise if the full text of PMID:36662884 gives onset ages."}},
    {"file": "kb/disorders/Immunodeficiency_131.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Softened from INFANTILE for the same reason as the combined-immunodeficiency phenotype: the cited abstracts establish paediatric disease but do not report ages of onset."}},
    {"file": "kb/disorders/Immunodeficiency_28.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Manifestations begin in the first years of life in the complete form. Onset is later and penetrance incomplete in the partial and dominant forms, so this category describes the severe end of the allelic series rather than every genotype."}},
    {"file": "kb/disorders/Immunodeficiency_93_and_Hypertrophic_Cardiomyopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Detected in the first months to years of life."}},
    {"file": "kb/disorders/Immunodeficiency_93_and_Hypertrophic_Cardiomyopathy.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Manifests within the first year of life."}},
    {"file": "kb/disorders/Immunodeficiency_93_and_Hypertrophic_Cardiomyopathy.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Diagnosed from the neonatal period to the first years of life."}},
    {"file": "kb/disorders/Immunodeficiency_93_and_Hypertrophic_Cardiomyopathy.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Diagnosed shortly after birth."}},
    {"file": "kb/disorders/Immunodeficiency_Common_Variable_4.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "min_age_years": 37.0, "notes": "Bound to ADULT rather than LATE because the earliest documented onset in a null-allele patient is 37 - his first pneumonia, against a lifelong history of chronic sinusitis - even though diagnosis came at 57 and the defining paper calls BAFF-R deficiency the first immunodeficiency diagnosed primarily in people in the second half of life. LATE would describe the diagnosis rather than the onset.\nThis is diagnostically load-bearing: a normal childhood and a normal middle age do not exclude the diagnosis. The unaffected sibling, at 80, had a completely unremarkable earlier medical history and developed severe herpes zoster only at 70.\nThe P21R patient's onset at 23 is deliberately not used to set this value, since that patient carries a modifier variant rather than a null allele."}},
    {"file": "kb/disorders/Incontinentia_Pigmenti.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Infantile_Cataract_Skin_Abnormalities_Glutamate_Excess_and_Impaired_Intellectual_Development.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Infantile_Parkinsonism-Dystonia.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Infantile_Parkinsonism-Dystonia.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Infantile_Parkinsonism-Dystonia.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Intellectual_Disability_Autosomal_Dominant_34.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Intellectual_Disability_Autosomal_Dominant_34.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Isolated_Growth_Hormone_Deficiency_Type_IA.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Isolated_Growth_Hormone_Deficiency_Type_IA.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Jervell_and_Lange-Nielsen_Syndrome_1.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Juvenile_Absence_Epilepsy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Juvenile_Amyotrophic_Lateral_Sclerosis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "max_age_years": 25, "notes": "Onset before age 25 years is the criterion separating JALS from adult ALS. HP:0003621 (Juvenile onset) is a clinical-modifier term outside the PhenotypeTerm dynamic enum, so the criterion is recorded here as a structured onset qualifier rather than as a phenotype of its own."}},
    {"file": "kb/disorders/KATNB1-related_Cortical_Malformation.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/KCNH1_Associated_Disorder.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/KDM1A-Related_Neurodevelopmental_Disorder.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Hypotonia was present from birth in the fourth published proband."}},
    {"file": "kb/disorders/KLHL24-Related_Hypertrophic_Cardiomyopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT", "min_age_years": 16.0, "max_age_years": 28.0, "notes": "The HPO annotation file for OMIM:620236 records Young adult onset (HP:0011462) at 5/5, sourced to PMID:30715372 (retrieved 2026-08-01) - that is, in every individual for whom an age of onset was determinable. The 16 to 28 year range comes from the founding cohort's clinical table (PMC6812045, read 2026-08-01) together with the more recent reports, two of which describe presentations at 16 and 18 years. Those are adolescent rather than young adult, so the HPO category may narrow the true onset window."}},
    {"file": "kb/disorders/Kashin-Beck_Disease.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "min_age_years": 3, "max_age_years": 12}},
    {"file": "kb/disorders/Keratitis-Ichthyosis-Deafness_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Keratitis-Ichthyosis-Deafness_Syndrome.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/LCA5-Related_Retinopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 20, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/LIFR-Related_Stuve-Wiedemann_Syndrome.yaml", "path": ["phenotypes", 21, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Leber_Congenital_Amaurosis_10.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Li-Fraumeni_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Li-Fraumeni_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Li-Fraumeni_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Li-Fraumeni_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Lipoid_Proteinosis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/MERTK-Related_Retinopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/MERTK-Related_Retinopathy.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/MERTK-Related_Retinopathy.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Meier-Gorlin_Syndrome.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Meier-Gorlin_Syndrome.yaml", "path": ["phenotypes", 31, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Melorheostosis.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Half of patients are diagnosed by age 20, so onset is recorded as childhood while noting that diagnosis in adulthood is common and that the somatic mutation is present from before birth. PMID:31485554 states that most patients present in childhood or adolescence, with 50 percent diagnosed by age 20 years."}},
    {"file": "kb/disorders/Mendelian_Susceptibility_To_Mycobacterial_Diseases_Due_To_Complete_IL12B_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "mean_age_years": 0.75, "notes": "BCG disease is the earliest and most frequent presentation, with a mean age at onset of about 9 months (as young as 1 month); it is typically the first mycobacterial challenge an affected infant meets. Overall first clinical symptoms of the disease occur at a mean age of 1.1 years."}},
    {"file": "kb/disorders/Mendelian_Susceptibility_To_Mycobacterial_Diseases_Due_To_Partial_IRF8_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Methylcobalamin_Deficiency_Type_cblG.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Methylmalonic_Aciduria_and_Homocystinuria_cblL_Type.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Microcytic_Anemia_With_Liver_Iron_Overload.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Midface_Hypoplasia_Hearing_Impairment_Elliptocytosis_And_Nephrocalcinosis.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Both onset qualifiers come from the two point-mutation half-brothers of PMID:27811305 and from nowhere else. In the older proband sensorineural loss was first detected at age 3 with a normal audiogram a year earlier; in the younger, an audiogram at 4 showed deterioration from a previous one. The authors read that pair of observations as progressive hearing loss without congenital onset. Age of detection is not the same as age of onset, and no other report gives an age at all, so `CHILDHOOD` records where the only dated observations fall rather than a spectrum-wide onset claim."}},
    {"file": "kb/disorders/Midface_Hypoplasia_Hearing_Impairment_Elliptocytosis_And_Nephrocalcinosis.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL", "notes": "Noted shortly after birth in proband II(1); improved but still present at last review aged 11."}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Mitchell-Riley_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Mitochondrial_Complex_I_Deficiency_Nuclear_Type_1.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Mitochondrial_Complex_I_Deficiency_Nuclear_Type_19.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Mitochondrial_Complex_V_ATP_Synthase_Deficiency_Nuclear_Type_3.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Mitochondrial_Complex_V_ATP_Synthase_Deficiency_Nuclear_Type_3.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Myhre_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/NDE1-related_Microcephaly_Lissencephaly.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Nasu-Hakola_Disease.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Naxos_disease.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Naxos_disease.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Naxos_disease.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_With_Absent_Speech_And_Movement_And_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "The OMIM:620270 description records developmental delay apparent from early infancy. No age in months is reported, so no quantitative age field is set."}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 16, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 18, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 25, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Early-Onset_Parkinsonism_and_Behavioral_Abnormalities.yaml", "path": ["phenotypes", 26, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Hypotonia_Feeding_Difficulties_Facial_Dysmorphism_and_Brain_Abnormalities.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Delay is apparent from infancy as milestones are missed."}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Hypotonia_Feeding_Difficulties_Facial_Dysmorphism_and_Brain_Abnormalities.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Hypotonia is typically evident in infancy."}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Hypotonia_Feeding_Difficulties_Facial_Dysmorphism_and_Brain_Abnormalities.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Facial dysmorphism is present from birth."}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Hypotonia_Feeding_Difficulties_Facial_Dysmorphism_and_Brain_Abnormalities.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Feeding difficulty presents in infancy."}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Hypotonia_Feeding_Difficulties_Facial_Dysmorphism_and_Brain_Abnormalities.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Poor growth is apparent from infancy; in the severely affected proband growth parameters were already below the third percentile at birth."}},
    {"file": "kb/disorders/Neurodevelopmental_Disorder_with_Hypotonia_Feeding_Difficulties_Facial_Dysmorphism_and_Brain_Abnormalities.yaml", "path": ["phenotypes", 19, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL", "notes": "Detected prenatally on ultrasound."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 6.1, "notes": "Weighted mean age at onset pooled from four CLN3 natural-history studies (N = 254); earliest of the 13 core symptoms in the pooled timeline."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 9.3, "notes": "Weighted mean age at onset of cognitive decline pooled from the three CLN3 natural-history studies reporting mean and SD (N = 219)."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 8.5, "notes": "Weighted mean age at onset of behavioural change in the pooled CLN3 natural-history dataset (N = 194); the paper does not state how many of the nine screened studies contributed to this pooled estimate."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 11.0, "notes": "Weighted mean age at onset reported by only one of the nine CLN3 natural-history studies screened into the meta-analysis (N = 111), and carries a wide weighted SD (±6.1) relative to its mean, so its position in the timeline should not be over-read."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 11.0, "notes": "Weighted mean age at onset of motor decline across two combined CLN3 natural-history studies (N = 108)."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 10.2, "notes": "Weighted mean age at onset across four combined CLN3 natural-history studies (N = 243)."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 14.1, "notes": "Weighted mean age at onset of Parkinsonian gait reported by only one of the nine CLN3 natural-history studies screened into the meta-analysis (N = 111); the paper's own limitations name Parkinsonian gait alongside sleep disturbance and feeding difficulties as single-study symptoms, so its position in the timeline should not be over-read."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 11.4, "notes": "Weighted mean age at onset across three combined CLN3 natural-history studies (N = 171); definitions of \"complete\" vision loss were not consistently applied across the source studies."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE", "mean_age_years": 12.7, "notes": "Weighted mean age at onset across two combined CLN3 natural-history studies (N = 136)."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT", "mean_age_years": 17.8, "notes": "Weighted mean age at onset across two combined CLN3 natural-history studies (N = 45); the second-smallest per-symptom cohort in the pooled 13-symptom timeline, after feeding difficulties (N = 35)."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT", "mean_age_years": 19.5, "notes": "Weighted mean age at onset across three combined CLN3 natural-history studies (N = 70)."}},
    {"file": "kb/disorders/Neuronal_Ceroid_Lipofuscinosis_3.yaml", "path": ["phenotypes", 15, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT", "mean_age_years": 22.0, "notes": "Weighted mean age at onset from a single CLN3 natural-history study (N = 35), the smallest reported per-symptom cohort in the pooled timeline."}},
    {"file": "kb/disorders/Neuropathy_Hereditary_Motor_And_Sensory_Type_VIc_With_Optic_Atrophy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "The founding cohort is described as early childhood onset, and the pooled review gives the usual range as childhood to adolescence. Per-patient onset ages are reported in a table that is not in the cached record, so no numeric age fields are asserted here."}},
    {"file": "kb/disorders/Neutrophil_Immunodeficiency_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL", "max_age_years": 0.1, "notes": "The dominant-negative cohort presented within the first month of life with omphalitis, abscesses and periumbilical erythema; the index case was five weeks old."}},
    {"file": "kb/disorders/North_Carolina_Macular_Dystrophy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/OPTN-related_Open_Angle_Glaucoma.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "mean_age_years": 40.8, "notes": "Adult onset, but at the young end of the adult range: mean age at presentation 40.8 years (SD 15) in the Moorfields E50K series, significantly younger than mutation-negative normal-tension glaucoma controls. Still adult-onset, which distinguishes this entity from juvenile open-angle glaucoma.\n"}},
    {"file": "kb/disorders/Oculofaciocardiodental_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Omodysplasia.yaml", "path": ["phenotypes", 0, "phenotype_contexts", 0, "onset"], "onset": {"onset_category": "ANTENATAL", "notes": "Second-semester ultrasonography documented short humeri and femora prenatally."}},
    {"file": "kb/disorders/Omodysplasia.yaml", "path": ["phenotypes", 3, "phenotype_contexts", 0, "onset"], "onset": {"onset_category": "ANTENATAL", "notes": "Prenatal ultrasonography documented dislocation of the radii in a recessive case."}},
    {"file": "kb/disorders/Omphalocele.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Optic_Atrophy_14.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "MIDDLE_AGE", "min_age_years": 47, "max_age_years": 55, "notes": "The two reported patients were 55 and 47 at the time of study, and both first came to ophthalmological attention in adulthood. The paper's own first discriminating criterion is that \"the visual loss was noticed during adulthood, rather than during the first two decades, as commonly observed in other DOA\". The ages recorded here are ages at study rather than ages at onset, which the source does not separate cleanly for patient 1 - she noticed a faint visual problem in 2002 and lost acuity in 2015 - so treat them as bounding the presentation rather than dating it.\nOn the band chosen, because the paper's own title invites the wrong one. `MIDDLE_AGE` is HP:0003596 \"Middle age onset\", which HPO scopes to 40-60 years, and both patients fall inside it. `LATE` is HP:0003584, scoped to onset after 60, and would be wrong here. The paper is titled \"late onset\" in the ordinary sense - late relative to the first two decades, when other dominant optic atrophies declare themselves - not in HPO's sense. Do not \"correct\" this to LATE on the strength of the title."}},
    {"file": "kb/disorders/Osteootohepatoenteric_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Otofacial_Neurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Craniofacial patterning defect, apparent from birth."}},
    {"file": "kb/disorders/Otofacial_Neurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Structural malformation of the auricle, present from birth."}},
    {"file": "kb/disorders/Otofacial_Neurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "Developmental malformation of the otic labyrinth, established in utero and non-progressive after birth."}},
    {"file": "kb/disorders/PACS2-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/PARK7-Related_Early-Onset_Parkinson_Disease.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT", "mean_age_years": 30.0, "notes": "Median age at onset ~30 years reported by the MDSGene systematic review for carriers of at least two mutations in Parkin, PINK1 or DJ1; the genetically confirmed PARK7 sibling pair presented at 29."}},
    {"file": "kb/disorders/PCDH19_Clustering_Epilepsy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 17, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/PGM1-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 18, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/POLR-Related_Leukodystrophy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "GeneReviews gives early childhood as the typical age of onset, with later-onset cases reported."}},
    {"file": "kb/disorders/POLR-Related_Leukodystrophy.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Most patients present before age 6 years, but about 10% present beyond age 10 and an attenuated adolescent/adult-onset arm exists (see the POLR3A c.1909+22G>A differential). No numeric bound is recorded on purpose: a max_age_years of 6 would read as a hard ceiling to a structured-query consumer and would contradict the later-onset minority, which a prose caveat cannot reach."}},
    {"file": "kb/disorders/Paroxysmal_Dyskinesia.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Peroxisomal_Acyl-CoA_Oxidase_Deficiency.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Peroxisomal_Acyl-CoA_Oxidase_Deficiency.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Peroxisomal_Acyl-CoA_Oxidase_Deficiency.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Peroxisomal_Acyl-CoA_Oxidase_Deficiency.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Polymyalgia_Rheumatica.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "LATE"}},
    {"file": "kb/disorders/Primary_Ciliary_Dyskinesia_30.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Progressive_Myoclonic_Epilepsy_Type_7.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Pyruvate_Kinase_Deficiency.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/RP2-Related_Retinopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/RP2-Related_Retinopathy.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/RTN4IP1-Related_Optic_Atrophy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Early-childhood onset; in a seven-patient cohort visual loss occurred before age 8 years, with the most severe syndromic cases presenting in infancy."}},
    {"file": "kb/disorders/Radioulnar_Synostosis_with_Amegakaryocytic_Thrombocytopenia.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Rhabdoid_Tumor_Predisposition_Syndrome_1.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Rhabdoid_Tumor_Predisposition_Syndrome_1.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Rhabdoid_Tumor_Predisposition_Syndrome_2.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Plasmalogen_Synthesis_Defect.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Plasmalogen_Synthesis_Defect.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Plasmalogen_Synthesis_Defect.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Plasmalogen_Synthesis_Defect.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Type_1.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Type_1.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Type_1.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Type_1.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rhizomelic_Chondrodysplasia_Punctata_Type_5.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Rubinstein-Taybi_Syndrome.yaml", "path": ["phenotypes", 19, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/SCN1B-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "max_age_years": 0.5, "notes": "Multifocal myoclonus reported at 2.5 months with focal seizures and status epilepticus by 3 months in one detailed case; the OMIM synopsis places onset at or before six months."}},
    {"file": "kb/disorders/SCN8A-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/SETD1A-Related_Early-Onset_Epilepsy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Onset at 3 months of age in the isolated-epilepsy case; the defining series emphasizes onset in early life, especially the first 2 years."}},
    {"file": "kb/disorders/SETD1A-Related_Early-Onset_Epilepsy.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/SLC12A5-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "max_age_years": 0.5, "notes": "Onset before six months of age is part of the defining description; the published cohort has a median of about 1.5 months, and some biallelic cases present within the first day of life."}},
    {"file": "kb/disorders/SLC12A5-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "max_age_years": 0.5}},
    {"file": "kb/disorders/SLC25A12-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/SLC44A1-Related_Childhood-Onset_Neurodegeneration.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Childhood onset is asserted for the disease as a whole by the founding report and by the MONDO label, not measured separately for this feature."}},
    {"file": "kb/disorders/SLC44A1-Related_Childhood-Onset_Neurodegeneration.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Childhood onset is asserted for the disease as a whole by the founding report and by the MONDO label, not measured separately for this feature."}},
    {"file": "kb/disorders/SLC44A1-Related_Childhood-Onset_Neurodegeneration.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Childhood onset is asserted for the disease as a whole by the founding report and by the MONDO label, not measured separately for this feature."}},
    {"file": "kb/disorders/SLC44A1-Related_Childhood-Onset_Neurodegeneration.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "notes": "Childhood onset is asserted for the disease as a whole by the founding report and by the MONDO label, not measured separately for this feature."}},
    {"file": "kb/disorders/SPTAN1-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/SRD5A3-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/SRD5A3-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/SRD5A3-Congenital_Disorder_of_Glycosylation.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/SRPX2-related_Speech_Epilepsy_Polymicrogyria.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/STAT6_Gain_of_Function_Disease.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Disease onset in early infancy across the reported cohort."}},
    {"file": "kb/disorders/SZT2-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE", "notes": "Median seizure onset five months in biallelic null genotypes, twelve months with one null allele, and thirty-six months in biallelic non-null genotypes, so onset spans infancy into early childhood by genotype."}},
    {"file": "kb/disorders/SZT2-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Saul-Wilson_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Schaaf-Yang_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Schaaf-Yang_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Schaaf-Yang_Syndrome.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Self-Limited_Epilepsy_with_Autonomic_Seizures.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Self-Limited_Epilepsy_with_Centrotemporal_Spikes.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Shashi-Pena_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Shashi-Pena_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Shashi-Pena_Syndrome.yaml", "path": ["phenotypes", 15, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Shwachman-Diamond_Syndrome.yaml", "path": ["phenotypes", 15, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Sideroblastic_Anemia_3.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "notes": "The index patient presented in middle age, and MONDO and Orphanet name the entity \"adult-onset autosomal recessive sideroblastic anemia\". \"Congenital\" in the disease class name refers to the germline genetic basis, not to neonatal presentation - a distinction that matters here because the zebrafish model is embryonically lethal."}},
    {"file": "kb/disorders/Sitosterolemia.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Sitosterolemia.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Sjogren-Larsson_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Smith-Magenis_Syndrome.yaml", "path": ["phenotypes", 22, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Smith-Magenis_Syndrome.yaml", "path": ["phenotypes", 23, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Smith-Magenis_Syndrome.yaml", "path": ["phenotypes", 24, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Spastic_Paraplegia_89_Autosomal_Recessive.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Spastic_Paraplegia_89_Autosomal_Recessive.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Spastic_Paraplegia_90A_Autosomal_Dominant.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Spinocerebellar_Ataxia_27B.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "LATE"}},
    {"file": "kb/disorders/Spinocerebellar_Ataxia_43.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"min_age_years": 42, "max_age_years": 68, "notes": "Late adult-onset; reported onset of balance problems between 42 and 68 years."}},
    {"file": "kb/disorders/Spinocerebellar_Ataxia_43.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"min_age_years": 42, "max_age_years": 72, "notes": "Late adult-onset polyneuropathy."}},
    {"file": "kb/disorders/Spinocerebellar_Ataxia_48.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT", "min_age_years": 17, "max_age_years": 74, "notes": "Onset is characteristically adult but the range is wide. An independent three-proband series reported onset at 34-65 years; the largest cohort (n=50 STUB1 carriers) reported a 17-74 year range and emphasised that both age at onset and severity are remarkably variable."}},
    {"file": "kb/disorders/Spondyloepiphyseal_Dysplasia_Congenita.yaml", "path": ["phenotypes", 10, "phenotype_contexts", 0, "onset"], "onset": {"min_age_years": 3.5, "notes": "Median age at retinal detachment was 14 years in this cohort."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 11, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 14, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 18, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 19, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 20, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 21, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 22, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 23, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 24, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 25, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 26, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 27, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 28, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 29, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 30, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 31, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 32, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 33, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 34, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 35, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 36, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 37, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 38, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 39, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 40, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 41, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 42, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 43, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 44, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 45, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 46, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 47, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 48, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 49, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 50, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 51, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/Sweeney-Cox_Syndrome.yaml", "path": ["phenotypes", 52, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL", "notes": "The HPO annotation for OMIM:617746 carries HP:0003577 Congenital onset at 2/2 for this disease."}},
    {"file": "kb/disorders/T-cell_Immunodeficiency_Congenital_Alopecia_and_Nail_Dystrophy.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/T-cell_Immunodeficiency_Congenital_Alopecia_and_Nail_Dystrophy.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/THG1L-Related_Disorder.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/THG1L-Related_Disorder.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/TTN_Related_Myopathy_Dominant_Negative_TTNsv.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/TTN_Related_Myopathy_Dominant_Negative_TTNsv.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Thomsen_and_Becker_disease.yaml", "path": ["phenotypes", 1, "phenotype_contexts", 0, "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Thomsen_and_Becker_disease.yaml", "path": ["phenotypes", 1, "phenotype_contexts", 1, "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Tooth_and_Nail_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Tooth_and_Nail_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/UCHL1-Related_Neurodegeneration_with_Optic_Atrophy_and_Spastic_Paraplegia.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/UCHL1-Related_Neurodegeneration_with_Optic_Atrophy_and_Spastic_Paraplegia.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/UCHL1-Related_Neurodegeneration_with_Optic_Atrophy_and_Spastic_Paraplegia.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/UCHL1-Related_Neurodegeneration_with_Optic_Atrophy_and_Spastic_Paraplegia.yaml", "path": ["phenotypes", 18, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/UCHL1-Related_Neurodegeneration_with_Optic_Atrophy_and_Spastic_Paraplegia.yaml", "path": ["phenotypes", 19, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/UCHL1-Related_Neurodegeneration_with_Optic_Atrophy_and_Spastic_Paraplegia.yaml", "path": ["phenotypes", 20, "phenotype_term", "onset"], "onset": {"onset_category": "MIDDLE_AGE"}},
    {"file": "kb/disorders/Undetermined_Early_Onset_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Uveal_Coloboma-Cleft_Lip_and_Palate-Intellectual_Disability_Syndrome.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/VPS4A-Related_Neurodevelopmental_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/WAPL-Related_Developmental_Disorder.yaml", "path": ["phenotypes", 19, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/WWOX-Related_Developmental_and_Epileptic_Encephalopathy.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Warburg_Cinotti_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "NEONATAL"}},
    {"file": "kb/disorders/Warburg_Micro_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Warburg_Micro_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Warburg_Micro_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Warburg_Micro_Syndrome.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Warburg_Micro_Syndrome.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Warsaw_breakage_syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/Weaver_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CONGENITAL"}},
    {"file": "kb/disorders/Weaver_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/Weill-Marchesani_Syndrome.yaml", "path": ["phenotypes", 0, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Weill-Marchesani_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Weill-Marchesani_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Weill-Marchesani_Syndrome.yaml", "path": ["phenotypes", 3, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 2, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 4, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 9, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 10, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 12, "phenotype_term", "onset"], "onset": {"onset_category": "JUVENILE"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 13, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 17, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/Werner_Syndrome.yaml", "path": ["phenotypes", 18, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/White-Sutton_Syndrome.yaml", "path": ["phenotypes", 7, "phenotype_term", "onset"], "onset": {"onset_category": "CHILDHOOD", "min_age_years": 1.0, "max_age_years": 4.0, "notes": "The POGZ-related epilepsy review (PMID:31136090) describes onset as \"mostly during infancy\" but gives the range as 1-4 years of age, which corresponds to HPO childhood onset (HP:0011463, 1-5 years) rather than infantile onset (under 1 year); the structured category follows the stated age range."}},
    {"file": "kb/disorders/X-Linked_Infantile_Spinal_Muscular_Atrophy.yaml", "path": ["phenotypes", 8, "phenotype_term", "onset"], "onset": {"onset_category": "ANTENATAL"}},
    {"file": "kb/disorders/X-Linked_Spondyloepiphyseal_Dysplasia_Tarda.yaml", "path": ["phenotypes", 5, "phenotype_term", "onset"], "onset": {"onset_category": "YOUNG_ADULT"}},
    {"file": "kb/disorders/X-linked_Dilated_Cardiomyopathy.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}},
    {"file": "kb/disorders/Yolk_Sac_Tumor.yaml", "path": ["phenotypes", 1, "phenotype_term", "onset"], "onset": {"onset_category": "INFANTILE"}},
    {"file": "kb/disorders/alpha-Methylacyl-CoA_Racemase_Deficiency.yaml", "path": ["phenotypes", 6, "phenotype_term", "onset"], "onset": {"onset_category": "ADULT"}}
  ]
}