From the Psychiatric and Neurodevelopmental Genetics Unit, Center for Human Genetics Research, Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston; the Stanley Center for Psychiatric Research, Broad Institute of Harvard and MIT, Cambridge, Mass.; the Department of Psychiatry, University of California, San Francisco; the Department of Neurology, Massachusetts General Hospital, Boston; the Division of Cognitive and Behavioral Neurology, Brigham and Women’s Hospital, Boston; the Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston; Section of Genetic Medicine, Department of Medicine, University of Chicago, Chicago; the Department of Psychiatry, Academic Medical Center, University of Amsterdam, Amsterdam; the Department of Preventive Medicine, Division of Biostatistics, Keck School of Medicine, University of Southern California, Los Angeles; the Laboratory of Neurogenetics, National Institute on Aging, Bethesda, Md.; the Genomic and Bioinformatic Unit, Filarete Foundation, Milan, Italy; the Department of Health Sciences, Graduate School of Nephrology, University of Milan, Milan; the Toronto Western Research Institute, University Health Network, Toronto; Hospital for Sick Children, Toronto; Università Vita-Salute San Raffaele, Milan; the Herman Dana Division of Child and Adolescent Psychiatry, Hadassah-Hebrew University Medical Center, Jerusalem; Universidad de Antioquia, Universidad Pontificia Bolivariana, Medellín, Colombia; the Department of Psychiatry and Behavioral Sciences, Johns Hopkins University School of Medicine, Baltimore; the Department of Psychiatry, Roy J. and Lucille A. Carver College of Medicine, University of Iowa, Iowa City; the Child Study Center and the Department of Psychiatry, Yale University School of Medicine, New Haven, Conn.; the Department of Psychiatry, University of São Paulo Medical School, São Paulo, Brazil; North Shore-Long Island Jewish Medical Center and North Shore-Long Island Jewish Health System, Manhasset, N.Y.; New York University Medical Center, New York; Hofstra University School of Medicine, Hempstead, N.Y.; Instituto Nacional de Psiquiatría Ramon de la Fuente Muñiz, Mexico City; University College London, London; the Department of Psychiatry, University of Hong Kong, Hong Kong; Ospedale San Raffaele, Milan; the Department of Psychiatry, University of California San Diego, La Jolla; the Department of Psychology, University of California Los Angeles; Montreal Neurological Institute, McGill University, Montreal; the Institute for Juvenile Research, Department of Psychiatry, University of Illinois at Chicago; Human Genetics and Cognitive Functions, Institut Pasteur, Paris; Fondation FondaMental, French National Science Foundation, Créteil, France; AP-HP, Robert Debré Hospital, Department of Child and Adolescent Psychiatry, Paris; Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam; the Department of Psychiatry, University of Montreal, Montreal; Infant Child and Adolescent Psychiatry, University of New South Wales, Australia; Academic Unit of Child Psychiatry, South West Sydney Local Health District (AUCS), Australia; Department of Child and Adolescent Psychiatry and Psychotherapy, University of Tübingen, Germany; the Department of Child and Adolescent Psychiatry, Psychosomatics and Psychotherapy, University of Würzburg, Würzburg, Germany; the Department of Psychiatry and Psychotherapy, University of Munich, Munich; Hospital Nacional de Niños, San Jose, Costa Rica; Clinica Herrera Amighetti, Avenida Escazú, San Jose, Costa Rica; OCD Program, Department of Psychiatry, Massachusetts General Hospital, Harvard Medical School, Boston; Cincinnati Children’s Hospital Medical Center and University of Cincinnati, Cincinnati; the Department of Psychiatry and Psychotherapy, Helios-Hospital Stralsund, University Medicine Greifswald, Greifswald, Germany; the Department of Psychiatry and Human Behavior, Brown Medical School, Butler Hospital, Providence, R.I.; Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem; the University Clinics of Child and Adolescent Psychiatry, University of Zurich, Zurich, Switzerland; the Department of Genetics, Human Genetics Institute of New Jersey, Rutgers University, Piscataway; the Department of Psychiatry, University of Stellenbosch, Stellenbosch, South Africa; the Department of Psychiatry, University Medical Center, University of Groningen, Groningen, the Netherlands; Parkinson's Disease Center and Movement Disorders Clinic, Department of Neurology, Baylor College of Medicine, Houston; the Neurogenetics Section, Centre for Addiction and Mental Health, Toronto; the Department of Psychiatry, University of Toronto, Toronto; Atlantic Neuroscience Institute, Overlook Hospital, Summit, N.J.; Carracci Medical Group, Mexico City; Institut Mondor de Recherche Biomédicale, Psychiatric Genetics, Créteil, France; the Department of Psychiatry and Psychotherapy, University of Bonn, Bonn; the Department of Psychiatry, Institute of Human Genetics, University of Illinois at Chicago; MRC Unit on Anxiety and Stress Disorders, Departments of Psychiatry, University of Stellenbosch and University of Cape Town, South Africa; the Department of Psychiatry and Human Behavior, School of Medicine, University of California Irvine; Università Vita Salute San Raffaele and IRCCS San Raffaele Scientific Institute, Milan; the Center of Transfusion Medicine and Immunohematology, Foundation IRCCS Ca'Granda Ospedale Maggiore Policlinico, Milan; the Department of Psychiatry and Biobehavioral Sciences, University of California, Los Angeles; David Geffen School of Medicine, Los Angeles; Department of Biological Sciences, Columbia University, New York; University of Utah, Salt Lake City; Laboratory of Clinical Science, NIMH Intramural Research Program, Bethesda, Md.; the Department of Clinical Research, Medical City Dallas Hospital, Dallas; the Department of Psychiatry, Rudolf Magnus Institute of Neuroscience, University Medical Center, Utrecht, the Netherlands; the Center for Neurobehavioral Genetics, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles; the Department of Genetics, Yale University School of Medicine, New Haven, Conn.; the Department of Psychiatry and Behavioral Sciences, Zilkha Neurogenetic Institute, Keck School of Medicine, University of Southern California, Los Angeles; Partners Psychiatry and McLean Hospital, Boston; the Frederick W. Thompson Anxiety Disorders Centre, Sunnybrook Health Sciences Centre, Toronto; St. George’s Hospital and Medical School, London; the Child and Adolescent Psychiatry Unit, Department of Psychiatry, Federal University of São Paulo, Brazil; the Department of Psychiatry and Behavioral Neurosciences, Wayne State University and the Detroit Medical Center, Detroit; the Department of Psychiatry and Psychotherapy, University of Cologne, Cologne, Germany; the Department of Health Research and Policy, Stanford University, Stanford; University Health Care Services-SMURB, Universidade Federal da Bahia, Salvador, Bahia, Brazil; the Department of Psychiatry, University of Toronto and University Health Network, Toronto Western Research Institute and Youthdale Treatment Centers, Toronto; Johns Hopkins University School of Medicine, Baltimore; the Department of Psychiatry, VU University Medical Center, Amsterdam; University of Cape Town, Cape Town, South Africa; the Department of Medical Genetics, University Medical Center Utrecht, Utrecht, the Netherlands; the Department of Health Technologies, University of Milan, Milan; the Departments of Psychiatry, Pediatrics, and Pharmacology, Kennedy Center for Research on Human Development, and Brain Institute, Vanderbilt University, Nashville, Tenn.; the Department of Child and Adolescent Psychiatry, University of Würzburg, Würzburg, Germany; the Division of Child and Adolescent Psychiatry, Department of Psychiatry, Weill Cornell Medical Center, New York; the Department of Medical and Molecular Genetics, King’s College London, London; the Department of Psychiatry, Academic Medical Center and Netherlands Institute for Neuroscience, Royal Netherlands Academy of Arts and Sciences, Amsterdam; Unit on Statistical Genomics, NIMH Intramural Research Program, Bethesda, Md.; National Institute of Genomic Medicine-SAP, Carracci Medical Group, Mexico City; the Department of Clinical and Health Psychology, Utrecht University, Utrecht, the Netherlands; the Department of Psychiatry, University of Utah, Salt Lake City; Section of Medical Genomics, Department of Clinical Genetics, VU University Medical Center, Amsterdam; the Department of Functional Genomics, Center for Neurogenomics and Cognitive Research, Neuroscience Campus Amsterdam, VU University Amsterdam, Amsterdam; the Department of Child and Adolescent Psychiatry and the Department of Clinical Genetics, Erasmus University Medical Center, Rotterdam, the Netherlands; Mt. Sinai Medical Center, New York; the German Center for Neurodegenerative Diseases, Tübingen; the Department of Psychiatry, University of Michigan, Ann Arbor; Program in Genetics and Genome Biology, Hospital for Sick Children, Toronto; British Columbia Mental Health and Addictions Research Institute, University of British Columbia, Vancouver.