1. The University of Chicago Pritzker School of Medicine; Evanston Illinois
2. NorthShore University HealthSystem; Evanston Illinois
3. Department of Kinesiology and Health Science; California State University, Sacramento; Sacramento California
4. Biostatistics and Research; NorthShore University HealthSystem; Evanston Illinois
5. California Maternal Quality Care Collaborative; Stanford University; Stanford California
6. Department of Obstetrics and Gynecology; Stanford University School of Medicine; Stanford California
7. California Maternal Quality Care Collaborative; Stanford University School of Medicine; Stanford California