1. Medical Research Council/Uganda Virus Research Institute and London School of Hygiene and Tropical Medicine Uganda Research Unit, Entebbe, Uganda
2. University of York, York
3. Viral Oncology Section, AIDS and Cancer Virus Program, Leidos Biomedical Inc.–Frederick National Laboratory for Cancer Research, Maryland
4. Sussex Cancer Center, Brighton and Sussex University Hospitals, National Health Service Trust, Sussex
5. London School of Hygiene and Tropical Medicine, London, United Kingdom
6. Department of Immunology, University of Washington, Seattle
7. Department of Immunology and Microbiology, University of Colorado, Denver