1. Obstetrics, Gynecology, and Reproductive Sciences, UC San Diego Health, San Diego, California
2. Duke University Medical Center, Durham, North Carolina
3. Department of OB/GYN, University of Alabama at Birmingham
4. Alpert Medical School of Brown University, Providence, Rhode Island
5. University of New Mexico, Albuquerque
6. Dell Medical School, University of Texas at Austin
7. University of Pennsylvania, Flourtown
8. Department of Obstetrics, Gynecology, and Reproductive Sciences, Magee-Womens Research Institute, Pittsburgh, Pennsylvania
9. Cleveland Clinic Foundation, Cleveland, Ohio
10. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Maryland
11. Research Triangle International, Research Triangle Park, North Carolina