1. BC Centre for Excellence in HIV/AIDS, Vancouver, British Columbia, Canada
2. Faculty of Health Sciences, Simon Fraser University, Vancouver, British Columbia, Canada
3. Department of Healthcare Policy and Research, Weill Cornell Medical College, New York, New York, USA
4. Rollins School of Public Health and Emory University School of Medicine, Atlanta, Georgia, USA
5. Department of Medicine, Division of Allergy and Infectious Diseases, University of Washington, Seattle, Washington, USA
6. Department of Public Health Sciences, Leonard M. Miller School of Medicine, University of Miami, Miami, Florida, USA
7. School of Public Health, Brown University, Providence, Rhode Island, USA
8. Department of Epidemiology, Bloomberg School of Public Health, Johns Hopkins University, Baltimore, Maryland, USA
9. Department of Sociomedical Sciences, Mailman School of Public Health, Columbia University, New York, New York, USA
10. School of Medicine, University of California, Los Angeles, Los Angeles, California, USA
11. School of Medicine, University of California, San Diego, La Jolla, California, USA