1. Department of Community Health Sciences Boston University School of Public Health Boston Massachusetts
2. Department of Obstetrics and Gynecology Beth Israel Deaconess Medical Center Boston Massachusetts
3. Department of Obstetrics, Gynecology, and Reproductive Biology Harvard Medical School Boston Massachusetts
4. Harvard T.H. Chan School of Public Health Boston Massachusetts
5. Department of Health Law, Policy, and Management Boston University School of Public Health Boston Massachusetts
6. Wright State University Boonshoft School of Medicine Fairborn Ohio
7. Department of Public Health and Community Medicine Tufts University School of Medicine Boston Massachusetts