1. Immunology Laboratory, Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892, USA.
2. Laboratory of Systems Biology, Lymphocyte Biology Section, NIAID, NIH, Bethesda, MD 20892, USA.
3. Virology Laboratory, Vaccine Research Center, NIAID, NIH, Bethesda, MD 20892, USA.
4. AIDS and Cancer Virus Program, Leidos Biomedical Research Inc., Frederick National Laboratory for Cancer Research, BG 535, Post Office Box B, Frederick, MD 21702, USA.
5. Immunology Core Section, Vaccine Research Center, NIAID, NIH, Bethesda, MD 20892, USA.
6. Departamento de Investigación en Enfermedades Infecciosas, Instituto Nacional de Enfermedades Respiratorias, Mexico City, Mexico.
7. Human Immunology Section, Vaccine Research Center, NIAID, NIH, Bethesda, MD 20892, USA.
8. Walter Reed Army Institute of Research, Silver Spring, MD 20910, USA.
9. Laboratory of Immunovirology, Hospital Universitario Virgen del Rocío, Instituto de Biomedicina de Sevilla, Universidad de Sevilla, Consejo Superior de Investigaciones Cientificas, Sevilla 41013, Spain.
10. Department of Histopathology, Venizeleio Hospital, Iraklion, Crete, Greece.
11. Laboratory of Immunoregulation, NIAID, NIH, Bethesda, MD 20892, USA.
12. Service of Immunology and Allergy, Service of Infectious Diseases, Department of Medicine and Swiss Vaccine Research Institute, Lausanne University Hospital, University of Lausanne, CH-1011 Lausanne, Switzerland.
13. Department of Microbiology, Center for AIDS Research, and Institute for Immunology Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.