Institution: | 1. Division of Pediatric and Adolescent Gynecology, Department of Obstetrics and Gynecology, University of Oklahoma–Tulsa;2. Pediatric and Adolescent Gynecology, Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas;3. Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas |