[1] Univ Calif San Francisco, Dept Obstet Gynecol & Reprod Sci, San Francisco, CA 94158 USA
[2] Univ Calif San Francisco, Dept Epidemiol & Biostat, San Francisco, CA 94158 USA
[3] Makerere Univ, Dept Obstet & Gynaecol, Coll Hlth Sci, Kampala, Uganda
[4] Univ Calif San Francisco, Inst Global Hlth Sci, San Francisco, CA 94158 USA
[5] Johns Hopkins Univ, Dept Gynecol & Obstet, Sch Med, Baltimore, MD 21218 USA
[6] Kaiser Permanente, Dept Gynecol & Obstet, Urogynecol Div, Oakland, CA 94611 USA
[7] Mulago Natl Referral & Teaching Hosp, Urogynecol Div, Kampala, Uganda