title: European smoke-free class competition.
authors.forename: R
authors.initials: R
authors.lastname: Hanewinkel
authors.forename: G
authors.initials: G
authors.lastname: Wiborg
authors.forename: M
authors.initials: M
authors.lastname: Paavola
authors.forename: E
authors.initials: E
authors.lastname: Vartiainen
mesh_terms: D000293:Adolescent; D003163:Competitive Behavior; D005060:Europe; D006293:Health Promotion; D006801:Humans; D016540:Smoking Cessation; D000074606:Smoking Prevention