1. Department of Epidemiology and Biostatistics, Arnold School of Public HealthUniversity of South Carolina Columbia South Carolina
2. College of Social WorkUniversity of South Carolina Columbia South Carolina
3. Rural and Minority Health Research Center, Arnold School of Public HealthUniversity of South Carolina Columbia South Carolina
4. Department of Health Services Policy and Management, Arnold School of Public HealthUniversity of South Carolina Columbia South Carolina
5. Research Center for Transforming Health and Department of PediatricsUniversity of South Carolina School of Medicine Columbia South Carolina
6. Departments of Nutrition and MedicineUniversity of North Carolina at Chapel Hill Chapel Hill North Carolina