1. Cumming School of Medicine, Department of Psychiatry, University of Calgary, Calgary, Alberta, Canada
2. The British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada
3. Department of Psychiatry, University of Toronto, Toronto, Ontario, Canada
4. Department of Psychology, Carleton University, Ottawa, Ontario, Canada
5. Institute of Health Policy, Management, and Evaluation, University of Toronto, Toronto, Ontario, Canada
6. The University of British Columbia Faculty of Medicine, Vancouver, British Columbia, Canada
7. The Annenberg Physician Training Program in Addiction Medicine, Bethel, Minnesota