title: Causal interpretation based on DAGs.
authors.forename: Etsuji
authors.initials: E
authors.lastname: Suzuki
authors.forename: Hirokazu
authors.initials: H
authors.lastname: Komatsu
authors.forename: Takashi
authors.initials: T
authors.lastname: Yorifuji
authors.forename: Toshihide
authors.initials: T
authors.lastname: Tsuda
mesh_terms: D003196:Computer Graphics; D015986:Confounding Factors, Epidemiologic; D003627:Data Interpretation, Statistical; D004781:Environmental Exposure / Q000032:analysis*; D004812:Epidemiologic Methods; D006801:Humans; D018570:Risk Assessment / Q000379:methods