title: In commemoration of the 20th anniversary.
authors.affiliation: , Kurashiki, Okayama, Japan, takemi@med.kawasaki-m.ac.jp.
authors.forename: Takemi
authors.initials: T
authors.lastname: Otsuki
authors.forename: Takahiko
authors.initials: T
authors.lastname: Katoh
mesh_terms: D022126:Access to Information; D000846:Anniversaries and Special Events; D035081:Editorial Policies; D004782:Environmental Health; D049673:History, 20th Century; D049674:History, 21st Century; D006801:Humans; D007564:Japan; D011315:Preventive Medicine; D012693:Serial Publications / Q000266:history / Q000592:standards / Q000639:trends; D061108:Social Media