1. Department of Obstetrics, Gynecology, and Reproductive Sciences, UC San Diego School of Medicine University of California San Diego La Jolla California USA
2. Division of Kidney, Urologic and Hematologic Diseases National Institute of Diabetes and Digestive and Kidney Diseases Bethesda Maryland USA
3. Department of Obstetrics, Gynecology and Urology Loyola University Chicago Chicago Illinois USA
4. Department of Obstetrics and Gynecology Northwestern University Feinberg School of Medicine Chicago Illinois USA
5. Department of Epidemiology, School of Public Health University of Alabama at Birmingham Birmingham Alabama USA
6. Department of Obstetrics and Gynecology Washington University in St. Louis St. Louis Missouri USA
7. Department of Medicine, School of Medicine, Division of Gerontology, Geriatrics and Palliative Care University of Alabama at Birmingham Birmingham Alabama USA
8. Birmingham/Atlanta Geriatric Research, Education, and Clinical Center Birmingham Alabama USA
9. Department of Obstetrics and Gynecology University of Kansas Kansas City Kansas USA
10. School of Nursing University of Michigan Ann Arbor Michigan USA
11. School of Public Health, Division of Biostatistics University of Minnesota Minneapolis Minnesota USA
12. Perelman School of Medicine, Division of Urology University of Pennsylvania Philadelphia Pennsylvania USA