1. Departments of Pediatrics and
2. Georgia Prevention Institute, Medical College of Georgia, Augusta University, Augusta, Georgia;
3. College of Nursing, University of South Carolina, Columbia, South Carolina;
4. College of Nursing, University of Kentucky, Lexington, Kentucky; and
5. Biostatistics and Epidemiology, and
6. Colleges of Medicine and Nursing, Medical University of South Carolina, Charleston, South Carolina