1. Department of Medicine, David Geffen School of Medicine, University of California Los Angeles
2. UCLA AIDS Institute, University of California Los Angeles, Baltimore, Maryland
3. Center for AIDS Research, Department of Medicine, Johns Hopkins Medicine, Baltimore, Maryland
4. Department of Immunology and Microbial Science, Scripps Research Institute, La Jolla, California
5. IAVI Neutralizing Antibody Center, Scripps Research Institute, La Jolla, California
6. Department of Microbiology, Immunology and Molecular Genetics, David Geffen School of Medicine, University of California Los Angeles
7. AIDS Healthcare Foundation, Los Angeles, California