1. Division of Internal Medicine, Department of Medicine, University of Mississippi School of Medicine, Jackson, Mississippi.
2. Department of Neuropsychiatry and Behavioral Science, University of South Carolina School of Medicine, Columbia, South Carolina.
3. Department of Epidemiology and Biostatistics, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina.
4. Center for Research in Nutrition and Health Disparities, Arnold School of Public Health, University of South Carolina, Columbia, South Carolina.
5. Division of Endocrinology, Department of Medicine, University of South Carolina School of Medicine, Columbia, South Carolina.
6. Division of Infectious Diseases, Department of Medicine, University of South Carolina School of Medicine, Columbia, South Carolina.