1 Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, Stanford University School of Medicine, Stanford Medical School Office Bldg., 1265 Welch Rd., MS 5415, Stanford, CA 94305; California Maternal Quality Care Collaborative, Stanford, CA. Electronic address: emain@Stanford.edu.
2 California Maternal Quality Care Collaborative, Stanford, CA; Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA.
3 California Maternal Quality Care Collaborative, Stanford, CA; Critical Juncture, LLC, Mill Valley, CA.
4 Center for Health Policy and the Center for Primary Care and Outcomes Research, Stanford University, Stanford, CA.
5 Division of Neonatal and Developmental Medicine, Department of Pediatrics, Stanford University School of Medicine, Stanford, CA.