1. a Faculty of Health Sciences , Simon Fraser University , Blusson Hall 11300, 8888 University Drive, Burnaby , BC , V5A IS6 , Canada
2. b BC Centre for Excellence in HIV/AIDS , Vancouver , BC , Canada
3. c Division of AIDS, Faculty of Medicine , University of British Columbia , Vancouver , BC , Canada
4. d School of Population and Public Health , University of British Columbia , Vancouver , BC , Canada
5. e John Ruedy Immunodeficiency Clinic, HIV/AIDS Program, Providence Health Care , St. Paul's Hospital , Vancouver , BC , Canada
6. f Department of Pharmacy , St. Paul's Hospital , Vancouver , BC , Canada