1. School of Population and Public Health The University of British Columbia Vancouver British Columbia Canada
2. Women's Health Research Institute Vancouver British Columbia Canada
3. Department of Obstetrics and Gynecology Makerere University College of Health Sciences Kampala Uganda
4. Centre for Health Evaluation and Outcome Sciences Vancouver British Columbia Canada
5. Uganda Cancer Institute Kampala Uganda
6. Department of Obstetrics and Gynaecology University of British Columbia Vancouver British Columbia Canada
7. BC Centre for Disease Control Vancouver British Columbia Canada