2 Division of Female Pelvic Medicine and Reconstructive Surgery, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, Dallas, TX.
3 Department of Pathology, University of Texas Southwestern Medical Center, Dallas, TX.
4 Department of Neurology and Neurotherapeutics, University of Texas Southwestern Medical Center, Dallas, TX.
5 Department of Obstetrics and Gynecology, Indiana University School of Medicine, Indianapolis, IN.
6 Division of Female Pelvic Medicine and Reconstructive Surgery, Department of Obstetrics and Gynecology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., G6.220, Dallas, TX 75390-9032. Electronic address: Marlene.Corton@utsouthwestern.edu.