1. UNC Horizons and Department of Obstetrics and Gynecology; School of Medicine; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
2. Departments of Psychiatry and Obstetrics and Gynecology; School of Medicine; Johns Hopkins University; Baltimore Maryland
3. Department of Pediatrics; School of Medicine; University of North Carolina at Chapel Hill; Chapel Hill North Carolina
4. Department of Psychology; University of Maryland, College Park; College Park Maryland
5. Department of Pediatrics; Yale School of Medicine; New Haven Connecticut
6. Department of Pediatrics; Geisel School of Medicine at Dartmouth; Hanover New Hampshire