1. Department of Obstetrics and Gynecology, Quillen College of Medicine, East Tennessee State University, 325 N State of Franklin Road, Johnson City, TN 37604, USA
2. Quillen College of Medicine, East Tennessee State University, Johnson City, TN 37614, USA
3. Division of Female Pelvic Medicine and Reconstructive Surgery, Department of Obstetrics and Gynecology,, Quillen College of Medicine, East Tennessee State University, 325 N State of Franklin Road, Johnson City, TN 37604, USA