1. Epidemiology and Population Health, British Columbia Centre for Excellence in HIV/AIDS, Vancouver, Canada
2. Faculty of Medicine, McGill University, Montreal, Canada
3. Department of Medicine, University of British Columbia, Vancouver, Canada
4. Department of Psychology, University of Southampton, Southampton, UK
5. Health Initiative for Men Society, Vancouver, Canada
6. Community Advisory Board, Momentum Health Study, Vancouver, Canada
7. Faculty of Health Sciences, Simon Fraser University, Burnaby, Canada
8. Department of Anthropology, University of Victoria, Victoria, Canada
9. School of Public Health and Social Policy, University of Victoria, Victoria, Canada
10. Canadian Institute for Substance Use Research, University of Victoria, Victoria, Canada