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    • Photoaging smartphone app promoting poster campaign to reduce smoking prevalence in secondary schools: the Smokerface Randomized Trial: design and baseline characteristics 

      Brinker, Titus J; Holzapfel, Julia; Baudson, Tanja G; Sies, Katharina; Jakob, Lena; Baumert, Hannah Maria; Heckl, Marlene; Cirac, Ana; Suhre, Janina L; Mathes, Verena; Fries, Fabian N; Spielmann, Hannah; Rigotti, Nancy; Seeger, Werner; Herth, Felix; Groneberg, David A; Raupach, Tobias; Gall, Henning; Bauer, Claudia; Marek, Pat; Batra, Anil; Harrison, Chase H; Taha, Lava; Owczarek, Andreas; Hofmann, Felix J; Thomas, Roger; Mons, Ute; Kreuter, Michael (BMJ Publishing Group, 2016)
      Introduction: Smoking is the largest cause of preventable death globally. Most smokers smoke their first cigarette in early adolescence. We took advantage of the widespread availability of mobile phones and adolescents’ ...