1. Department of Obstetrics, Gynecology and Reproductive Sciences, University of California, San Francisco , San Francisco, CA 94158 , United States
2. Department of Epidemiology and Biostatistics, University of California, San Francisco , San Francisco, CA 94158 , United States
3. Department of Obstetrics and Gynaecology, College of Health Sciences, Makerere University , Kampala , Uganda
4. Institute for Global Health Sciences, University of California , San Francisco, San Francisco, CA 94158 , United States
5. Department of Gynecology and Obstetrics, School of Medicine, Johns Hopkins University , Baltimore, MD 21218 , United States
6. Urogynecology Division, Department of Obstetrics and Gynecology, Kaiser Permanente , Oakland, CA 94611 , United States
7. Urogynecology Division, Mulago National Referral and Teaching Hospital , Kampala , Uganda