1. British Columbia Centre for Excellence in HIV/AIDS, St. Paul's Hospital, Vancouver, BC, Canada
2. Faculty of Social Sciences, University of Victoria, Victoria, BC, Canada
3. School of Public Health and Health Systems, University of Waterloo, Waterloo, ON, Canada
4. Faculty of Medicine, University of British Columbia, Vancouver, BC, Canada
5. Faculty of Health Sciences, Simon Fraser University, Burnaby, BC, Canada