1. Immunology Laboratory
2. Department of Microbiology, University of Pennsylvania, Philadelphia, PA 19104
3. Viral Pathogenesis Laboratory
4. Human Immunology Section
5. Weatherall Institute of Molecular Medicine, University of Oxford, Oxford OX3 9DS, England, UK
6. Laboratory of AIDS Immunopathogenesis, Division of Immunology and Allergy, Department of Medicine, Centre Hospitalier Universitaire Vaudois, University of Lausanne, 1011 Lausanne, Switzerland
7. Immunology Core Laboratory
8. ImmunoTechnology Section, Vaccine Research Center, National Institute of Allergy and Infectious Diseases (NIAID), National Institutes of Health (NIH), Bethesda, MD 20892