1 Department of Obstetrics & Gynecology, Division of Female Pelvic Medicine and Reconstructive Surgery, University of Louisville School of Medicine, Louisville, Kentucky.
2 Department of Obstetrics & Gynecology, Division of Female Pelvic Medicine & Reconstructive Surgery, University of New Mexico, Albuquerque, New Mexico.
3 Department of Obstetrics & Gynecology, Wayne State University School of Medicine, Detroit, Michigan.