1. CHUM Research CentreCentre hospitalier de l'Université de Montréal Montréal QC Canada
2. Department of Family and Emergency Medicine, Faculty of MedicineUniversité de Montréal Montréal QC Canada
3. Department of Social and Preventive Medicine, School of Public HealthUniversité de Montréal Montréal QC Canada
4. Department of Psychiatry, Faculty of MedicineUniversité de Montréal Montréal QC Canada
5. Addiction Research and Study Program, Faculty of Medicine and Health SciencesUniversité de Sherbrooke Longueuil QC Canada
6. Institut national de santé publique du Québec Montréal QC Canada
7. The Kirby InstituteUNSW Sydney Sydney NSW Australia