[1] Univ Ziekenhuis Brussel UZ Brussel, Vrije Univ Brussel, Dept Psychiat, Brussels, Belgium
[2] Antwerp Univ, Toxicol Ctr, Antwerp, Belgium
[3] Univ Amsterdam, Acad Med Ctr, AIAR, Amsterdam, Netherlands
[4] Univ Bern, Univ Hosp Psychiat, Bern, Switzerland
[5] Karolinska Inst, Stockholm, Sweden
[6] Columbia Univ, New York State Psychiat Inst, New York, NY USA
[7] Univ Amsterdam, ICASA Fdn, Amsterdam, Netherlands
[8] Eotvos Lorand Univ, Budapest, Hungary
[9] Univ Limpopo, Dept Pharm, Sovenga, South Africa
[10] Heidelberg Univ, Dept Addict Behav & Addict Med, Cent Inst Mental Hlth, Med Fac Mannheim, Heidelberg, Germany
[11] Radboudumc, Dept Psychiat, Donders Inst Brain Cognit & Behav, NISPA, Nijmegen, Netherlands