[1] Radboud Univ Nijmegen, Med Ctr, Dept Human Genet, NL-6500 HB Nijmegen, Netherlands
[2] Radboud Univ Nijmegen, Med Ctr, Ctr Neurosci, Donders Inst Brain Cognit & Behav,Dept Psychiat, NL-6500 HB Nijmegen, Netherlands
[3] Univ Bergen, Dept Biomed, Bergen, Norway
[4] Haukeland Hosp, Ctr Med Genet & Mol Med, N-5021 Bergen, Norway
[5] Univ Wurzburg, Dept Psychiat & Psychotherapy, Wurzburg, Germany
[6] Univ Wurzburg, Interdiciplinary Ctr Clin Res, IZKF, Wurzburg, Germany
[7] Hosp Univ Vall Hebron, Dept Psychiat, Barcelona, Catalonia, Spain
[8] Univ Autonoma Barcelona, Dept Psychiat & Legal Med, Catalonia, Spain
[9] Univ Barcelona, Fac Biol, Dept Genet, Catalonia, Spain
[10] UPF, CRG, Genes & Dis Program, Barcelona, Catalonia, Spain
[11] CRG, Inst Salud Carlos III, CIBER Epidemiol & Salud Publ, Barcelona, Catalonia, Spain
[12] Ctr Nacl Genotipado CeGen, Barcelona, Catalonia, Spain
[13] Univ Bergen, Dept Biol & Med Psychol, Bergen, Norway
[14] Haukeland Hosp, Dept Psychiat, N-5021 Bergen, Norway
[15] Univ Bergen, Dept Clin Med, Bergen, Norway
[16] Radboud Univ Nijmegen, Med Ctr, Dept Epidemiol & Biostat, NL-6500 HB Nijmegen, Netherlands
[17] Program Adult ADHD, Psychomed Programs, PsyQ, The Hague, Netherlands
[18] Kings Coll London, Inst Psychiat, MRC Social Genet & Dev Psychiat, London WC2R 2LS, England
[19] SUNY Upstate Med Univ, Dept Psychiat, Syracuse, NY USA
[20] SUNY Upstate Med Univ, Dept Neurosci & Physiol, Syracuse, NY USA
[21] Inst Salud Carlos III, CIBER Enfermedades Raras, Barcelona, Catalonia, Spain
[22] Univ Barcelona, Inst Biomed, Catalonia, Spain