1. Laboratory of Molecular Immunology, The Rockefeller University, New York, NY 10065, USA.
2. Laboratory of Experimental Immunology, Center for Molecular Medicine Cologne, University of Cologne, 50931 Cologne, Germany.
3. Department of Internal Medicine, Center of Integrated Oncology Cologne-Bonn, University Hospital Cologne, 50937 Cologne, Germany.
4. Albert Ludwigs University of Freiburg, Freiburg, Germany.
5. Departments of Medicine and Microbiology, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA.
6. Department of Computational Biology and Applied Algorithmics, Max Planck Institute for Informatics, Campus E14, 66123 Saarbrücken, Germany.
7. Division of Biology, California Institute of Technology, Pasadena, CA 91125, USA.
8. Center for Virology and Vaccine Research, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA.
9. Vaccine and Infectious Disease Division, Fred Hutchinson Cancer Research Center, Seattle, WA 98109, USA.
10. Howard Hughes Medical Institute, The Rockefeller University, New York, NY 10065, USA.