1. Section of Female Pelvic Medicine and Reconstructive Surgery, National Center for Advanced Pelvic Surgery Georgetown University/MedStar Washington Hospital Center Washington District of Columbia USA
2. Department of Obstetrics and Gynecology Georgetown University/MedStar Washington Hospital Center Washington District of Columbia USA
3. Georgetown Medical School Georgetown University Washington District of Columbia USA
4. Department of Obstetrics and Gynecology, Division of Female Pelvic Medicine and Reconstructive Surgery University of Wisconsin School of Medicine and Public Health Madison USA