1. St. Louis University School of Medicine, St. Louis University Health Sciences Center, 3691 Rutger, Suite 100, St. Louis, MO 63110-2515, USA.
2. National Cancer Institute, 41/D804, Bethesda, MD 20892, USA.
3. Fondation Merieux, 17 Rue Bourgelat, Lyon F-69002, France.
4. Department of Immunology, Imperial College School of Medicine, Room 1.2.8, Chelsea and Westminster Hospital, 369 Fulham Road, London SW10 9NH, UK.
5. Immunology Division, Uganda Virus Research Institute, Post Office Box 49, Entebbe, Uganda.
6. California National Primate Research Center, University of California, County Road 98 & Hutchison, Davis, CA 95616, USA.
7. Capital Area Vaccine Effort, Post Office Box 77159, Washington, DC 20013, USA.
8. Departments of Microbiology and Immunology, Muhimbili University College of Health Sciences, Post Office Box 65001, Dar es Salaam, Tanzania.
9. Hopital Cochin, 27 rue du Faubourg Saint Jacques 75013, Paris, France.
10. Research Center, Hospital Center of the University of Montreal, Hotel-Dieu, 3850 St. Urbain, Pavillon Masson, Bureau 8-108, Montreal, QC H2W 1T8, Canada, and Canadian Network for Vaccines and Immunotherapeutics, 500 Sherbrooke Street West, Suite 800, Montreal, QC H3A 3C6, Canada.
11. Tour CERVI IFR128, FRE 2736 CRNS-bioMerieux, 21, Avenue Tony Garnier, 69365 Lyon Cedex 07, France.
12. Microbiology and Tumor Biology Center, Karolinska Institute, Swedish Institute for Infectious Disease Control, Tomtebodavagen 12 B, Stockholm S-17182, Sweden.
13. National Reference Center for AIDS, Department of Microbiology, Faculty of Medicine, University of Buenos Aires, Paraguay 2155, Piso 11 (1121), Buenos Aires, Argentina.