{
 "approved_by_author": "\u2705",
 "citation": "Knight, A. K., et al. \"An epigenetic clock for gestational age at birth based on blood methylation data.\" Genome Biology 17 (2016): 206.",
 "citations": 315,
 "citations_date": "2026-10-02",
 "clock_name": "knight",
 "data_type": "DNA methylation",
 "doi": "https://doi.org/10.1186/s13059-016-1068-z",
 "journal": "Genome Biology",
 "last_author": "Alicia K. Smith",
 "model_type": "elastic net regression",
 "n_features": 148,
 "notes": "Elastic-net DNA-methylation estimator of gestational age at birth trained across six cord-blood and neonatal blood-spot cohorts, using 148 CpGs shared across the 27K and 450K arrays.",
 "platform": [
  "Illumina 27K",
  "Illumina 450K"
 ],
 "population": "newborns",
 "predicts": [
  "gestational age"
 ],
 "reference_values": true,
 "research_only": null,
 "species": "Homo sapiens",
 "tissue": [
  "cord blood",
  "neonatal blood spots"
 ],
 "training_target": [
  "gestational age"
 ],
 "unit": [
  "weeks"
 ],
 "version": "0.5.7",
 "year": 2016
}