1. International AIDS Vaccine Initiative (IAVI), New York, NY 10004, USA.
2. Department of Immunology and Microbial Science and IAVI Neutralizing Antibody Center and The Scripps Research Institute, La Jolla, CA 92037, USA.
3. Ragon Institute of Massachusetts General Hospital, Massachusetts Institute of Technology, and Harvard, Cambridge, MA 02129, USA.
4. Center for HIV/AIDS Vaccine Immunology and Immunogen Discovery, The Scripps Research Institute, La Jolla, CA 92037, USA.
5. The Children's Hospital of Philadelphia, Philadelphia, PA 19104, USA.
6. Howard Hughes Medical Institute, Chevy Chase, MD 20815, USA.
7. Sanofi-Aventis, 270 Albany Street, Cambridge, MA 02139, USA.
8. Emory Vaccine Center, Emory University of School of Medicine, Atlanta, GA 30329, USA.
9. Department of Biotechnology, Government of India, New Delhi, India.
10. University of Pennsylvania, Philadelphia, PA 19104, USA.
11. Vaxconsult, Doylestown, PA 18902, USA.