1. Department of Microbiology and Immunology, Unit for Laboratory Animal Medicine, Center for Computational Medicine and Bioinformatics, and Comprehensive Cancer Center, University of Michigan Medical School, Ann Arbor, MI 48109, USA
2. Novartis Vaccines and Diagnostics, 53100 Siena, Italy
3. EpiVax, Inc., Providence, RI 02903, USA
4. Institute for Immunology and Informatics, University of Rhode Island, Providence, RI 02903, USA
5. HIV Vaccine and Special Studies Team, Centers for Disease Control and Prevention (CDC/DHAP/EB), Atlanta, GA 30333, USA