[1] Hadassah—Hebrew University Medical Center,Department of Obstetrics & Gynecology
[2] MedStar Washington Hospital Center,Section of Female Pelvic Medicine and Reconstructive Surgery
[3] Washington Hospital Center/Georgetown University,Department of Obstetrics & Gynecology and Urology
[4] Georgetown University School of Medicine,Department of Radiology
[5] Medstar Research Institute,Department of Biostatistics and Epidemiology