Sample CEG-DAT UAB-ADHD People involved Jonna Kuntsi, Yannis Paloyelis, Mitul Metha, Phil Asherson Oscar Vilarroya, Joan Carles Soliva, Yolanda Vives Site King's College, London, UK URNC, Departament de Psiquiatria i Medicina Legal, Universitat Autonoma de Barcelona, Barcelona, Spain ADHD WUE Annette Conzelmann, Paul Pauli, Andreas Department of Biological Psychology, Reif, Kathrin Zierhut, Klaus Peter Lesch, Clinical Psychology and Psychotherapy, Georg Ziegler, Ramona Baur University of Wuerzburg, Germany IMpACT_NL Barbara Franke, Martine Hoogman, Janneke Department of Human Genetics and Dammers Psychiatry, Radboud university medical center, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands NeuroIMAGE Jan Buitelaar, Marcel Zwiers, Maarten Department of Cognitive Neuroscience, Mennes, Janita Bralten, Lizanne Schweren Radboud university medical center, Donders Institute for Brain, Cognition and Behaviour, Nijmegen, The Netherlands MGH ADHD Steve Faraone, Larry Seidman, Joseph Harvard Medical School, Boston, MA & Biederman, Alysa Doyle Dept of Psychiatry, SUNY Upstate Medical University & Massachusetts General Hospital, Boston, MA, USA ADHDKonrad Kerstin Konrad, Georg von Polier UK Aachen, Germany Bergen_adultADHD Jan Haavik, Kerstin Plessen, Marie Farstad University of Bergen, K.G. Jebsen Centre Hovik, Tom Eichele for Research on Neuropsychiatric Disorders, Norway Bergen_SVG Jan Haavik, Kerstin Plessen, Marie Farstad University of Bergen, K.G. Jebsen Centre Hovik, Tom Eichele for Research on Neuropsychiatric Disorders, Norway ADHD200_OHSU Joel Nigg, Damain Fair, Bonnie Nagel, Deepti Oregon Health & Science University Bathula ADHD200_Peking Yu-feng Wang, Yu-feng Zang, Li Sun, Qing-jiu Institute of Mental Health, Peking Cao, Li An University, National Key Laboratory of Cognitive Neuroscience and Learning, Beijing University ADHD200_NYU Xavier Castellanos, Michael P. Milham, Phyllis Green and Randolph Cowen Adriana Di Martino, Clare Kelly, Maarten Institute for Pediatric Neuroscience at the Mennes Child Study Center, New York University Langone Medical Center, New York, New York, Nathan Kline Institute for Psychiatric Research, Orangeburg, NY, USA ADHD200_KKI Stewart Mostofsky Kennedy Krieger Institute, Johns Hopkins University, USA NYU ADHD Xavier Castellanos, Yuliya Yoncheva, Clare NYU Langone Medical Center, New York, Kelly, Adriana Di Martino, Michael Milham NY, USA ZI-CAPS Daniel Brandeis, Sarah Baumeister, Tobias Department of Child and Adolescent Banaschewski Psychiatry and Psychotherapy, Central ADHD-Rubia Katya Rubia MTA Theo van Erp, Terry Jernigan, Anders Dale, Jeff Epstein, Leanne Tamm, Johua Kuperman, Tim Brown Sarah Durston, Patrick de Zeeuw, Sara Ambrosino di Bruttopilo Phillip Shaw Paolo Mattos, Ivanei Bramati Niche NIH-ADHD ADHD-Mattos ADHD-DUB1 Thomas Frodl, Hazel McCarthy, Mariam Zentis ADHD-DUB2 Thomas Frodl, Hazel McCarthy, Mariam Zentis ENIGMA support Derrek Hibar, Neda Jahanshad, Sarah Medland, Benjamin Neale Institute of Mental Health, Medical Faculty Mannheim / Heidelberg University, Mannheim, Germany Institute of Psychiatry, King's College London, UK Cincinnati Children's Hospital Medical Center, USA University Medical Center Utrecht, Brain Center Rudolf Magnus, The Netherlands NHGRI, NIH, USA Instituto D'Or de Pesquisa e Ensino, Federal University of Rio de Janeiro, Brazil University of Dublin, Trinity College, Ireland & University of Regensburg, Germany University of Dublin, Trinity College, Ireland & University of Regensburg, Germany