1. Contraception Research Branch , Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
2. Fertility and Infertility Branch , Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
3. Gynecologic Health and Disease Branch , Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
4. Product Development and Introduction , Global Health and Population, FHI 360, Durham, NC, USA
5. SACYL Pharmaceuticals , Inc, Wilmington, DE, USA