1. Department of Psychiatry and Behavioral Sciences, Medical University of South Carolina, Charleston, South Carolina.
2. Department of Epidemiology, Columbia University, New York, New York.
3. Ralph H. Johnson Veterans Affairs Medical Center, Charleston, South Carolina.
4. Department of Psychology, Texas Tech University, Lubbock, Texas.
5. Department of Behavioral Sciences and Health Education and Center for AIDS Research, Rollins School of Public Health, Emory University, Atlanta, Georgia.
6. Department of Pediatrics, Division of Infectious Diseases, Epidemiology, and Immunology, School of Medicine, Emory University, Atlanta, Georgia.