1. Program in Adult & Reproductive Endocrinology, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health (NIH), Bethesda, MD, USA
2. Department of Obstetrics and Gynecology, Uniformed Services University of the Health Sciences (USUHS), Bethesda, MD, USA
3. Department of Obstetrics and Gynecology, Walter Reed National Military Medical Center (WRNMMC), Bethesda, MD, USA