1 Department of Gynecologic Surgery & Obstetrics - Urogynecology Division, Walter Reed National Military Medical Center, Bethesda, MD, USA. Electronic address: eva.k.welch.mil@health.mil.
2 Department of Gynecologic Surgery & Obstetrics - Urogynecology Division, William Beaumont Army Medical Center-Fort Bliss, El Paso, TX, USA.
3 Department of Gynecologic Surgery & Obstetrics - Urogynecology Division, Walter Reed National Military Medical Center, Bethesda, MD, USA.