1. Département de Psychiatrie, Faculté de Médecine, Université de Montréal, Montréal, Quebec, Canada
2. Centre de Recherche, CHU Ste-Justine, Montréal, Quebec, Canada
3. Department of Sociology, McGill University, Montreal, Quebec, Canada
4. Department of Psychology & Neuroscience, Dalhousie University, Halifax, Nova Scotia, Canada
5. Department of Psychiatry, Dalhousie University, QEII Health Sciences Centre, Halifax, Nova Scotia, Canada
6. Margaret and Wallace McCain Centre for Child, Youth and Family Mental Health, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
7. British Columbia Centre on Substance Use, Vancouver, British Columbia, Canada
8. Centre de Recherche du CHUM, Montreal, Quebec, Canada.
9. University of Calgary Cumming School of Medicine, Community Health Sciences, University of Calgary, Calgary, Alberta, Canada