1. Photoaging smartphone app promoting poster campaign to reduce smoking prevalence in secondary schools: the Smokerface Randomized Trial: design and baseline characteristics. Issue 11 (7th November 2016) Authors: 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, Henn... Journal: BMJ open Issue: Volume 6:Issue 11(2016) Page Start: Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗