University of Toronto - Campbell Family Mental Health Research Institute, University of Toronto - Centre for Addiction and Mental Health (CAMH), University of Toronto - Kimel Family Translational Imaging-Genetics Laboratory, University of Toronto - Kimel Family Translational Imaging-Genetics Laboratory, University of Massachusetts Worcester - Medical School, University of Pittsburgh, Cornell University - Weill Cornell Medicine, Cornell University - Weill Cornell Medicine, Nathan S. Kline Institute for Psychiatric Research (NKI), Hospital for Sick Children, Mouse Imaging Centre and University of Toronto - Department of Psychiatry