1. Texas Collaborative for Healthy Mothers and Babies (TCHMB), Houston, Texas.
2. Population Health, Office of Health Affairs, Texas Collaborative for Healthy Mothers and Babies (TCHMB), University of Texas System, Austin, Texas.
3. School of Public Health in Austin, The University of Texas Health Science Center at Houston (UTHealth), Austin, Texas.
4. Division of Maternal Fetal Medicine, Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas.
5. University of Texas Health Science Center at Tyler, Tyler, Texas.