[1] Tech Univ Dresden, Inst Klin Psychol & Psychotherapie, Chemnitzer Str 46, D-01187 Dresden, Germany
[2] Univ Klinikum Hamburg Eppendorf UKE, Zentrum Interdisziplinare Suchtforsch ZIS, Klin Psychiat & Psychotherapie, Hamburg, Germany
[3] Univ Klinikum Leipzig, Klin & Poliklin Psychiat & Psychotherapie, Leipzig, Germany
[4] IFT Inst Therapieforsch, Munich, Germany
[5] Stockholm Univ, Ctr Social Res Alcohol & Drugs, Dept Publ Hlth Sci, Stockholm, Sweden
[6] Eotvos Lorand Univ, Inst Psychol, Budapest, Hungary
[7] Ctr Addict & Mental Hlth, Inst Mental Hlth Policy Res, Toronto, ON, Canada
[8] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[9] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[10] IM Sechenov First Moscow State Med Univ, Inst Leadership & Hlth Management, Dept Int Hlth Projects, Moscow, Russia