MRC Centre for Neuropsychiatric Genetics and Genomics, Division of Psychological Medicine and Clinical Neurosciences, Cardiff University, Cardiff, United Kingdom (Chawner, Doherty, Anney, Moss, Hall, Owen, van den Bree); Cardiff University Centre for Human Developmental Science, School of Psychology, Cardiff University, Cardiff, United Kingdom (Chawner); Department of Psychology, Syracuse University, Syracuse, N.Y. (Antshel); Department of Psychiatry and Behavioral Sciences and Psychology, Semel Institute for Neuroscience and Human Behavior, University of California, Los Angeles (Bearden, Kushan); Departments of Psychiatry and Behavioral Sciences, University of Washington, Seattle (Bernier); Departments of Pediatrics and Medicine, Columbia University Irving Medical Center, New York (Chung); Center for Autism Research, Children’s Hospital of Philadelphia (Clements, Miller, Schultz); Department of Psychology, University of Pennsylvania, Philadelphia (Clements); South West London and St. George’s Mental Health National Health Service Foundation Trust, London (Curran); University Children’s Hospital, Belgrade, Serbia; Faculty of Medicine, University of Belgrade, Serbia (Cuturilo); Department of Psychiatry, Brain Center, University Medical Center Utrecht, the Netherlands (Fiksinski, Vorstman); Clinical Genetics Research Program, Centre for Addiction and Mental Health, and the Dalglish Family 22q Clinic for 22q11.2 Deletion Syndrome, Toronto General Hospital, University Health Network, Toronto (Fiksinski); Department of Psychiatry, Trinity College Dublin, Ireland (Gallagher); Department of Pediatrics, Baylor College of Medicine, Houston (Goin-Kochel); Lifespan Brain Institute, Children’s Hospital of Philadelphia and Perelman School of Medicine, University of Pennsylvania, Philadelphia (Gur); Department of Psychiatry, Neurodevelopment and Psychosis Section, Perelman School of Medicine, University of Pennsylvania, Philadelphia (Gur); Department of Child and Adolescent Psychiatry, Children’s Hospital of Philadelphia (Gur, Schultz); Developmental Medicine, Children’s Hospital Boston/Harvard Medical School, Boston (Hanson); Department of Pediatrics, University of Montreal (Jacquemont, Maillard); Centre de recherche, Centre Hospitalier Universitaire Sainte Justine, Montreal (Jacquemont); Department of Psychiatry and Behavioral Sciences, State University of New York at Upstate Medical University, Syracuse (Kates); Service des Troubles du Spectre de l’Autisme et Apparentés, Lausanne University Hospital, Lausanne, Switzerland (Maillard); Division of Human Genetics and Molecular Biology, Children’s Hospital of Philadelphia (McDonald-McGinn); 22q and You Center, Children’s Hospital of Philadelphia (McDonald-McGinn); Department of Pediatrics, University of Pennsylvania, Philadelphia (McDonald-McGinn, Schultz); Clinic for Psychiatry, Clinical Center of Serbia, Faculty of Medicine, University of Belgrade, Serbia (Mihaljevic); Institute of Mental Health, Belgrade, Serbia, Faculty of Medicine, University of Belgrade, Serbia (Pejovic-Milovancevic); Simons Foundation, New York (Green-Snyder); Program in Genetics and Genome Biology, SickKids Research Institute, Toronto (Vorstman); Department of Psychiatry, Hospital for Sick Children, University of Toronto (Vorstman); Department of Pediatrics, Seattle Children’s Hospital, Seattle (Wenger); and Neuroscience and Mental Health Research Institute, Cardiff University, Cardiff, United Kingdom (Hall, Owen, van den Bree).