1. University of North Carolina School of Medicine, Department of Obstetrics and Gynecology, Chapel Hill, North Carolina, USA.
2. Emory University School of Medicine, Department of Obstetrics and Gynecology, Atlanta, Georgia, USA.
3. Emory University School of Nursing, Doctor of Nursing Practice Program, Atlanta, Georgia, USA.
4. Montefiore Medical Center and Albert Einstein College of Medicine, Department of Obstetrics and Gynecology and Women's Health, New York, New York, USA.
5. Northwestern University School of Medicine, Department of Obstetrics and Gynecology, Evanston, Illinois, USA.
6. University of Kansas Medical Center, Department of Sociology, Kansas City, Kansas, USA.
7. Thomas Jefferson University School of Nursing, Department of Research Development, Philadelphia, Pennsylvania, USA.