1. B.C. Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada.
2. Simon Fraser University, Burnaby, British Columbia.
3. School of Public Health & Social Policy, University of Victoria, Victoria, British Columbia.
4. Faculty of Medicine, University of British Columbia, Vancouver.
5. School of Population and Public Health, University of British Columbia, Vancouver.
6. B.C. Centre for Disease Control, Vancouver.
7. Department of Anthropology, University of Victoria, British Columbia.