1. Department of Microbiology and Molecular Genetics, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
2. Center for Vaccine Research, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania, USA
3. Department of Pathology and Laboratory Medicine, University of Wisconsin - Madison, Wisconsin, USA
4. Department of Immunobiology, Federal University of Santa Catarina, Florianópolis, Santa Catarina, Brazil
5. Department of Microbiology and Immunology, The Peter Doherty Institute for Infection and Immunity, University of Melbourne, Melbourne, Victoria, Australia
6. Melbourne Sexual Health Centre and Department of Infectious Diseases, Alfred Hospital and Centre Clinical School, Monash University, Melbourne, Victoria, Australia
7. Department of Medicine, Division of Infectious Disease, Weill Cornell Medicine, New York, New York, USA
8. Wisconsin National Primate Research Center, University of Wisconsin - Madison, Wisconsin, USA