[1] Univ Zurich, Swiss Res Inst Publ Hlth & Addict ISGF, Konradstr 32, CH-8005 Zurich, Switzerland
[2] Karolinska Inst, Ctr Psychiat Res, Dept Clin Neurosci, Stockholm, Sweden
[3] Stockholm Cty Council, Stockholm Hlth Care Serv, Stockholm, Sweden
[4] Uppsala Univ, Dept Psychol, Uppsala, Sweden
[5] Univ Barcelona, Hosp Clin & Univ Barcelona, Clin Inst Neurosci, Dept Psychiat,Grp Recerca Addic Clin GRAC GRE, Barcelona, Spain
[6] Inst Invest Biomed August Pi i Sunyer IDIBAPS, Barcelona, Spain
[7] Red Trastornos Adict, RETICS, Madrid, Spain
[8] Vrije Univ Amsterdam, Amsterdam Publ Hlth Res Inst, Dept Clin Neuro & Dev Psychol, Amsterdam, Netherlands
[9] Univ East Anglia, Sch Hlth Sci, Norwich, Norfolk, England
[10] Netherlands Inst Mental Hlth & Addict, Trimbos Inst, Utrecht, Netherlands
[11] Arkin Mental Hlth Care, Dept Res, Amsterdam, Netherlands
[12] Univ Amsterdam, Dept Psychiat, Locat AMC, Amsterdam UMC, Amsterdam, Netherlands
[13] Hosp Clin Barcelona, Neurosci Inst, Psychiat Dept, Barcelona, Spain
[14] Vrije Univ Amsterdam, Fac Behav & Movement Sci, Dept Clin Neuro & Dev Psychol, Amsterdam, Netherlands
[15] Katholieke Univ Leuven, Acad Ctr Gen Practice, Leuven, Belgium