1. Department of Obstetrics and Gynecology, Columbia University Vagelos College of Physicians and Surgeons, New York, New York
2. CooperSurgical Inc, Trumbull, Connecticut
3. Department of Obstetrics, Gynecology and Reproductive Sciences, Yale School of Medicine, New Haven, Connecticut
4. Department of Internal Medicine, Yale School of Medicine, New Haven, Connecticut
5. Department of Health Policy and Management, Johns Hopkins Bloomberg School of Public Health, Baltimore, Maryland
6. Johns Hopkins School of Nursing, Baltimore, Maryland