1. Department of Psychology, Spelman College, Atlanta, Georgia.
2. Rollins School of Public Health, Department of Behavioral Sciences and Health Education, Emory University, Atlanta, Georgia.
3. Emory Center for AIDS Research, Atlanta, Georgia.
4. University School of Medicine, Department of Pediatrics, Division of Infectious Diseases, Epidemiology and Immunology, Emory University, Atlanta, Georgia.
5. School of Medicine, Department of Pediatrics, University of Alabama, Birmingham, Alabama.
6. School of Public Health, Department of Health Behavior, University of Alabama, Birmingham, Alabama.