1. Departments of Family Medicine and Obstetrics and Gynecology Pritzker School of Medicine The University of Chicago Chicago Illinois USA
2. NorthShore University HealthSystem (NSUHS) Research Institute Evanston Illinois USA
3. Departments of Medical Social Sciences and Pediatrics Northwestern University Feinberg School of Medicine Evanston Illinois USA
4. Queens College City University of New York New York New York USA
5. California Preterm Birth Initiative University of California San Francisco California USA
6. Department of Obstetrics, Gynecology, and Reproductive Sciences University of California San Francisco San Francisco California USA
7. Department of Obstetrics and Gynecology Highland General Hospital Alameda Health System Oakland California USA
8. Department of Epidemiology & Biostatistics University of California San Francisco School of Medicine San Francisco California USA
9. Department of Family Health Care Nursing University of California San Francisco San Francisco California USA
10. Birthing Cultural Rigor, LLC Oakland California USA
11. Departments of Obstetrics, Gynecology, and Reproductive Sciences, and Humanities and Social Sciences University of California San Francisco School of Medicine San Francisco California USA