1. Department of Gynecologic Surgery and Obstetrics, Walter Reed National Military Medical Center, Bethesda, Maryland, USA.
2. Department of Gynecologic Surgery and Obstetrics, Uniformed Services University of the Health Sciences, Bethesda, Maryland, USA.
3. Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, Maryland, USA.
4. Department of Gynecologic Surgery and Obstetrics, Gynecologic Cancer Center of Excellence, Uniformed Services University of the Health Sciences, Walter Reed National Military Medical Center, Bethesda Maryland, USA.