Institute for Molecular Medicine Finland (FIMM), Helsinki Institute of Life Science (Partanen, Häppölä, Kämpe, Daly, Ripatti, Palotie, Koskela), and Faculty of Medicine (Ripatti), University of Helsinki, Helsinki; Department of Molecular Medicine and Surgery (Kämpe) and Department of Clinical Neuroscience (Tiihonen, Tanskanen, Taipale), Karolinska Institutet, Stockholm; Department of Internal Medicine (Ahola-Olli) and Department of Psychiatry (Haaki, Hietala), Turku University Hospital, Turku, Finland; Aurora Hospital, City of Helsinki, Helsinki (Hellsten); Department of Psychiatry, Faculty of Medicine and Health Technology (Rask), and Faculty of Medicine and Health Technology (Kampman), Tampere University, Tampere, Finland; Department of Psychiatry, Tampere University Hospital, Tampere, Finland (Rask); Department of Psychiatry, University of Turku, Turku, Finland (Haaki, Hietala); Department of Clinical Sciences, Psychiatry, Umeå University, Umeå, Sweden (Kampman); Department of Clinical Medicine, Psychiatry, Faculty of Medicine, University of Turku, Turku, Finland (Kampman); Department of Psychiatry, Wellbeing Services County of Ostrobothnia, Vaasa, Finland (Kampman); Department of Psychiatry, Wellbeing Services County of Pirkanmaa, Tampere, Finland (Kampman); Department of Forensic Psychiatry, University of Eastern Finland, Niuvanniemi Hospital, Kuopio, Finland (Tiihonen, Tanskanen, Taipale, Lähteenvuo); Center for Psychiatry Research, Stockholm City Council, Stockholm (Tiihonen); Stanley Center for Psychiatric Research (Daly, Palotie) and Program in Medical and Population Genetics (Daly, Ripatti, Palotie), Broad Institute of Harvard and MIT, Cambridge, MA; Analytic and Translational Genetics Unit, Massachusetts General Hospital, Boston (Daly, Ripatti, Palotie).