1. British Columbia Centre for Excellence in HIV/AIDS, St. Paul's Hospital, Vancouver, British Columbia.
2. School of Population and Public Health, University of British Columbia, Vancouver, British Columbia.
3. Department of Medicine, University of British Columbia, Vancouver, British Columbia.
4. Massachusetts General Hospital Centre for Global Health, Boston, Massachusetts.
5. Harvard Medical School, Harvard University, Boston, Massachusetts.
6. British Columbia Centre for Disease Control, Vancouver, British Columbia.