1. Department of Psychiatry University of British Columbia Vancouver Canada
2. Department of Medicine University of British Columbia Vancouver Canada
3. Interdepartmental Division of Addiction Medicine St. Paul's Hospital Vancouver Canada
4. Institute of Health Policy, Management and Evaluation, Dalla Lana School of Public Health University of Toronto Toronto Canada
5. General Internal Medicine St. Michael's Hospital, Unity Health Toronto Canada
6. British Columbia Centre on Substance Use Vancouver Canada
7. Department of Family Practice University of British Columbia Vancouver Canada