1. Division of Urogynecology and Reconstructive Surgery, Department of Obstetrics and Gynecology, Duke University, Durham, North Carolina
2. Arbor Research Collaborative for Health, Ann Arbor, Michigan
3. Department of Medical Social Sciences, Northwestern University, Chicago, Illinois
4. Departments of Obstetrics and Gynecology and Urology, University of Iowa Carver College of Medicine, Iowa City, Iowa
5. Departments of Surgery and Anesthesiology, Washington University School of Medicine, St. Louis, Missouri
6. Feinberg School of Medicine, Northwestern University, Chicago, Illinois
7. University of Michigan, Ann Arbor, Michigan
8. National Institute of Diabetes and Digestive and Kidney Diseases, Bethesda, Maryland