1. Vaccinology Unit, Swedish Institute for Communicable Disease Control, Solna, Sweden
2. Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institutet, Solna, Sweden
3. Department of Experimental Immunology, Sanquin Research, Landsteiner Laboratory, Center for Infection and Immunity Amsterdam, Academic Medical Center, University of Amsterdam, Amsterdam, Netherlands
4. Immudex, Copenhagen, Denmark
5. Department of Tissue Typing, Kings College London, Guy's Hospital, London, United Kingdom
6. Mucosal Immunology Unit, Kings College London, Guy's Hospital, London, United Kingdom
7. Department of Immunology, Duke University Medical Center, Durham, North Carolina
8. Department of Comparative Genetics and Refinement, Biomedical Primate Research Centre, Rijswijk, Netherlands
9. Queen Mary, University of London, Barts and The London Schools of Medicine and Dentistry, Centre for Clinical and Diagnostic Oral Sciences, London, United Kingdom
10. Lionex GmbH, Braunschweig, Germany
11. Vaccine Research Center, NIH, Bethesda, Maryland
12. Present address: Crucell Holland BV, Leiden, Netherlands.