1. Centre for Addiction and Mental Health, and Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada (R.A.K.)
2. Department of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada, and UCL Collaborative Centre for Inclusion Health, University College London, London, United Kingdom (T.D.B.)
3. Department of Psychiatry and Behavioral Sciences, University of California, San Francisco, San Francisco, California (N.P.M.).