1. British Columbia Centre on Substance Use Vancouver British Columbia Canada
2. Department of Medicine, Faculty of Medicine University of British Columbia Vancouver British Columbia Canada
3. Research Centre Centre Hospitalier de l'Université de Montréal (CRCHUM) Montréal Quebec Canada
4. Department of Psychiatry and Addictology, Faculty of Medicine Université de Montréal Montréal Quebec Canada
5. Department of Pharmacology and Toxicology, Faculty of Medicine, Medical Sciences Building University of Toronto Toronto Ontario Canada
6. Department of Family and Community Medicine, Faculty of Medicine University of Toronto Toronto Ontario Canada
7. Department of Psychiatry University of Toronto Toronto Ontario Canada
8. Dalla Lana School of Public Health University of Toronto Toronto Ontario Canada
9. Center for Addiction and Mental Health (CAMH) Campbell Family Mental Health Research Institute Toronto Ontario Canada
10. Department of Family Medicine and Psychiatry, Cumming School of Medicine University of Calgary Calgary Alberta Canada