1. Department of Public Policy, Department of Community and Family Medicine, Health Inequalities Program, Duke University, Durham, North Carolina.
2. Health Inequalities Program, Duke University, Durham, North Carolina.
3. Department of Psychiatry and Behavioral Sciences, Duke University Medical Center, Durham, North Carolina.
4. Department of Public Policy, Health Inequalities Program, Duke University, Durham, North Carolina.
5. Division of Infectious Diseases, School of Medicine, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.