[1] Parnassia Psychiat Inst, Parnassia Addict Res Ctr PARC, Zoutkeetsingel 40, NL-2512 HN The Hague, Netherlands
[2] Ruhr Univ Bochum, LWL Univ Hosp, Dept Child & Adolescent Psychiat, Hamm, Germany
[3] RadboudUMC, Dept Psychiat, Donders Inst, Nijmegen, Netherlands
[4] RadboudUMC, Nijmegen Inst Scientist Practitioners Addict NISP, Nijmegen, Netherlands
[5] Int Collaborat ADHD & Subst Abuse ICASA Fdn, Nijmegen, Netherlands
[6] Heidelberg Univ, Cent Inst Mental Hlth Mannheim CIMH, Dept Child & Adolescent Psychiat, Mannheim, Germany
[7] Semmelweis Univ, Dept Med Chem Mol Biol & Pathobiochem, Budapest, Hungary
[8] Pazmany Peter Catholic Univ, Fac Humanities & Social Sci, Inst Psychol, Budapest, Hungary
[9] De Hoop GGZ, Dordrecht, Netherlands
[10] Autonomous Univ Barcelona, Dept Psychiat & Legal Med, Barcelona, Spain
[11] Univ Hosp Brussels, Dept Psychiat, Brussels, Belgium
[12] Hosp Univ Vall dHebron, Dept Psychiat Mental Hlth & Addict, Addict & Dual Diag Sect, Barcelona, Spain
[13] Vall dHebron Res Inst VHIR, Grp Psychiat Mental Hlth & Addict, Barcelona, Spain
[14] Biomed Network Res Ctr Mental Hlth CIBERSAM, Barcelona, Spain
[15] Aarhus Univ, Dept Econ & Business Econ, Aarhus, Denmark
[16] Eotvos Lorand Univ, Inst Psychol, Budapest, Hungary
[17] Antwerp Univ UA, Collaborat Antwerp Psychiat Res Inst CAPRI, Antwerp, Belgium
[18] Univ New South Wales, Acad Unit Infant Child Adolescent Psychiat South, Sydney, NSW, Australia
[19] SUNY Upstate Med Univ, Dept Psychiat, Syracuse, NY 13210 USA
[20] Pitea Hosp, Child & Adolescent Dept, Region Norrbotten, Pitea, Sweden
[21] Imperial Coll London, Ctr Mental Hlth, Dept Med, Div Brain Sci, London, England
[22] East London NHS Fdn Trust, Child & Adolescent Mental Hlth Serv CAMHS ADHD Cl, London, England
[23] Univ Amsterdam, Dept Psychol, Amsterdam, Netherlands
[24] Univ Groningen, Univ Med Ctr Groningen, Dept Child & Adolescent Psychiat, Groningen, Netherlands
[25] Grp Hosp St Louis Lariboisiere Fernand Widal, Assistance Publ Hop Paris AP HP, Paris, France
[26] INSERM, U1144, Paris, France
[27] Univ Paris, INSERM, UMR S1144, Paris, France
[28] Univ Bern, Univ Hosp Child & Adolescent Psychiat & Psychothe, Bern, Switzerland
[29] Univ Hosp Heidelberg, Ctr Psychosocial Med, Dept Child & Adolescent Psychiat, Heidelberg, Germany
[30] Semmelweis Univ, Fac Hlth Sci, Budapest, Hungary
[31] Nyiro Gyula Natl Inst Psychiat & Addict, Drug Outpatient Ctr, Budapest, Hungary
[32] Adolescent Mental Hlth Justice Hlth & Forens Ment, Sydney, NSW, Australia
[33] Univ New South Wales, Natl Drug & Alcohol Res Ctr, Sydney, NSW, Australia
[34] Cent Inst Mental Hlth, Dept Addict Behav & Addict Med, Mannheim, Germany
[35] Columbia Univ, Dept Psychiat, New York State Psychiat Inst, New York, NY USA
[36] Goethe Univ, Univ Hosp, Dept Psychiat Psychosomat Med & Psychotherapy, Frankfurt, Germany
[37] Univ G dAnnunzio, Dept Neurosci Imaging Clin Sci, Chieti, Italy
[38] Vrije Univ Brussel VUB, Dept Psychiat, UZ Brussel, Brussels, Belgium
[39] Semmelweis Univ, Fac Med, Dept Psychiat & Psychotherapy, Budapest, Hungary
[40] Univ Bern, Univ Hosp Psychiat, Bern, Switzerland
[41] Nelson Mandela Univ, Dept Pharm, Port Elizabeth, South Africa
[42] Cipla Medpro Pharmaceut, Durban, South Africa
[43] Parnassia Psychiat Inst, Brijder Youth Addict Treatment, The Hague, Netherlands
[44] Univ Haifa, Ctr Rehabil Res, Sch Criminol, Haifa, Israel
[45] Univ Haifa, Ctr Rehabil Res, Unit Excellence Res & Study Addict ERSA, Haifa, Israel
[46] Hosp Univ Vall dHebron, Dept Psychiat, Barcelona, Spain
[47] Univ Autonoma Barcelona, Dept Psychiat & Forens Med, Barcelona, Spain
[48] Queen Mary Univ London, Ctr Psychiat, Barts & London Sch Med & Dent, Wolfson Inst, London, England
[49] East London NHS Fdn Trust, London, England
[50] Ben Gurion Univ Negev, Dept Educ, Beer Sheva, Israel