1. Department of Psychology, Toronto Metropolitan University, Toronto, Canada.
2. School of Nursing and Health Studies, University of Miami, Coral Gables, Florida, USA.
3. Dalla Lana School of Public Health, University of Toronto, Toronto, Canada.
4. Department of Community Health and Epidemiology, Dalhousie University, Halifax, Canada.
5. MAP Centre for Urban Health Solutions, St. Michael's Hospital, Unity Health Toronto, Toronto, Canada.
6. Department of Epidemiology, Biostatistics and Occupational Health, McGill University, Montréal, Canada.
7. Direction régionale de santé publique de Montréal, CIUSSS Centre-Sud-de-l'Iîle-de-Montréal, Montréal, Canada.
8. British Columbia Centre on Substance Use, Vancouver, Canada.
9. Division of Infectious Diseases, St. Michael's Hospital, Toronto, Canada.
10. Department of Medicine, University of Toronto, Toronto, Canada.