[1] Tech Univ Dresden, Inst Clin Psychol & Psychotherapy, Chemnitzer Str 46, D-01187 Dresden, Germany
[2] Ctr Addict & Mental Hlth, Inst Mental Hlth Policy Res, Toronto, ON, Canada
[3] Univ Med Ctr Hamburg Eppendorf, Ctr Interdisciplinary Addict Res, Dept Psychiat, Hamburg, Germany
[4] Univ Leipzig, Med Fac, Dept Psychiat, Leipzig, Germany
[5] Inst Psychiat & Neurol, Warsaw, Poland
[6] August Pi & Sunyer Biomed Res Inst IDIBAPS, Clin Hosp, Clin Fdn Biomed Res FCRB, Addict & Lifestyle Res Grp, Barcelona, Spain
[7] Red Invest Atenc Primaria Adicc RIAPAd, Barcelona, Spain
[8] Univ Toronto, Dalla Lana Sch Publ Hlth, Toronto, ON, Canada
[9] Univ Toronto, Inst Med Sci, Fac Med, Med Sci Bldg, Toronto, ON, Canada
[10] Ctr Addict & Mental Hlth, Campbell Family Mental Hlth Res Inst, Toronto, ON, Canada
[11] Univ Toronto, Dept Psychiat, Toronto, ON, Canada
[12] IM Sechenov First Moscow State Med Univ, Sechenov Univ, Moscow, Russia