1. Department of Medicine, University of British Columbia, Vancouver, BC, Canada
2. Women's Health Research Institute, British Columbia Women's Hospital + Health Centre, Vancouver, BC, Canada
3. School of Population and Public Health, University of British Columbia, Vancouver, BC, Canada
4. Department of Reproductive Oncology, Uganda Cancer Institute, Kampala, Uganda
5. Department of Medicine, Division of Infectious Diseases, University of British Columbia, Vancouver, BC, Canada