1. School of Medicine, University of California, San Francisco, San Francisco, CA, USA
2. College of Osteopathic Medicine, University of New England, Biddeford, ME, USA
3. Department of Obstetrics and Gynecology, Cooper Medical School of Rowan University, Cooper University Hospital, Camden, NJ, USA
4. Department of Gynecology and Obstetrics, Johns Hopkins University School of Medicine, Baltimore, MD, USA
5. Department of Health, Behavior and Society, Johns Hopkins Bloomberg School of Public Health, Baltimore, MD, USA
6. Division of Women’s Health, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA, USA