1. Department of Obstetrics and Gynecology, School of Medicine, UNC Chapel Hill, Chapel Hill, NC, USA
2. Collaborative for Maternal and Infant Health, UNC Chapel Hill, Chapel Hill, NC, USA
3. School of Medicine, UNC Chapel Hill, Chapel Hill, NC, USA
4. Department of Obstetrics and Gynecology, The Ohio State University, Columbus, OH, USA
5. Department of Psychiatry, School of Medicine, UNC Chapel Hill, Chapel Hill, NC, USA
6. Department of Family Medicine, School of Medicine, UNC Chapel Hill, Chapel Hill, NC, USA
7. Novant Health, Charlotte, North Carolina
8. Gillings School of Global Public Health, UNC Chapel Hill, Chapel Hill, NC, USA