1 Cundill Centre for Child and Youth Depression, Margaret and Wallace McCain Centre for Child, Youth, and Family Mental Health, Campbell Family Mental Health Research Institute, Centre for Addiction and Mental Health, Toronto (Moxon-Emre, Ameis); Department of Psychiatry, Temerty Faculty of Medicine, University of Toronto, Toronto (Ameis); Department of Psychiatry, Hospital for Sick Children, Toronto (Ameis).