1. Division of Female Pelvic Medicine and Reconstructive Surgery Northwestern University Evanston Illinois USA
2. Department of Pediatrics University of California, San Diego San Diego California USA
3. Division of Female Pelvic Medicine and Reconstructive Surgery University of Pennsylvania Philadelphia Pennsylvania USA
4. Medstar Washington Hospital Center Washington District of Columbia USA
5. Division of Female Pelvic Medicine and Reconstructive Surgery University of Missouri Columbia Missouri USA
6. Division of Female Pelvic Medicine and Reconstructive Surgery University of Washington Seattle Washington USA
7. University of Connecticut Health Center Farmington Connecticut USA
8. Division of Female Pelvic Medicine and Reconstructive Surgery Oregon Health and Science University Portland Oregon USA
9. Division of Female Pelvic Medicine and Reconstructive Surgery Duke University Durham North Carolina USA