1. Department of Health Policy and Management, University of North Carolina at Chapel Hill
2. Division of Infectious Diseases, University of North Carolina at Chapel Hill
3. UNC Center for AIDS Research, University of North Carolina at Chapel Hill
4. Department of Microbiology and Immunology, University of North Carolina at Chapel Hill
5. UNC Project, Lilongwe, Malawi
6. School of Public Health, Loma Linda University, California
7. Department of Epidemiology, University of North Carolina at Chapel Hill