Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada; Pharmacogenetics Research Clinic, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Toronto, Canada. Geri-PARTy Research Group, Jewish General Hospital, Montréal, Quebec, Canada. Department of Psychiatry, McGill University, Montréal, Quebec, Canada; Bipolar Disorders Clinic, Douglas Mental Health University Institute, Montréal, Quebec, Canada. Division of Neurosurgery, St Michael's Hospital, Toronto, Ontario, Canada; Neuroscience Research Program, Keenan Research Centre of the Li Ka Shing Knowledge Institute of St. Michael's Hospital, University of Toronto, Ontario, Canada; Department of Surgery, University of Toronto, Toronto, Ontario, Canada; Department of Neurology, University Hospital of Essen, University of Duisburg-Essen, Essen, Germany. Geri-PARTy Research Group, Jewish General Hospital, Montréal, Quebec, Canada; Department of Psychiatry, McGill University, Montréal, Quebec, Canada. Neuropsychopharmacology Research Group, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada. Institute of Medical Science, Faculty of Medicine, University of Toronto, Toronto, Ontario, Canada; Pharmacogenetics Research Clinic, Campbell Family Mental Health Institute, Centre for Addiction and Mental Health, Toronto, Canada; Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada. Geri-PARTy Research Group, Jewish General Hospital, Montréal, Quebec, Canada; Department of Psychiatry, McGill University, Montréal, Quebec, Canada. Electronic address: soham.rej@mail.mcgill.ca.