1. British Columbia Centre for Excellence in HIV/AIDS, St Paul’s Hospital, Vancouver, British Columbia, Canada2Department of Medicine, University of British Columbia, Vancouver, British Columbia, Canada
2. Clinical Policy Office, Fraser Health Authority, Vancouver, British Columbia, Canada
3. Department of Medicine, Oregon Health and Science University, Portland5Department of Public Health–Preventive Medicine, Oregon Health and Science University, Portland
4. Durham Veterans Affairs Medical Center, Durham, North Carolina7Duke University Medical Center, Durham, North Carolina