1. Department of Immunobiology, University of Arizona, Tucson, Arizona, USA
2. University of Pennsylvania, Perelman School of Medicine, Philadelphia, Pennsylvania, USA
3. Department of Biomedical and Molecular Sciences, Queens University, Kingston, Ontario, Canada
4. Department of Molecular Genetics and Microbiology, University of Florida, Gainesville, Florida, USA
5. Department of Pediatrics, University of Alabama, Birmingham, Birmingham, Alabama, USA
6. Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland, USA
7. Johns Hopkins University, Bloomberg School of Public Health, Baltimore, Maryland, USA
8. Department of Microbiology and Immunology, SUNY Upstate Medical University, Syracuse, New York, USA
9. Department of Microbiology, Immunology and Cancer Biology, University of Virginia School of Medicine, Charlottesville, Virginia, USA
10. Department of Pediatrics, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
11. University of Pittsburgh, Center for Vaccine Research, Pittsburgh, Pennsylvania, USA
12. Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA
13. Oregon Health and Science University, Vaccine and Gene Therapy Institute, Beaverton, Oregon, USA
14. Department of Medicine, University of Washington, Fred Hutchinson Cancer Center, Seattle, Washington, USA
15. Department of Medical Microbiology and Immunology, University of Wisconsin, Institute for Molecular Virology, Madison, Wisconsin, USA
16. Department of Human Genetics, University of Utah School of Medicine, Howard Hughes Medical Institute, Salt Lake City, Utah, USA
17. Howard Hughes Medical Institute, Chevy Chase, Maryland, USA
18. Department of Medicine, Laboratory Medicine and Pathology, University of Washington, Seattle, Washington, USA
19. Cleveland Clinic, Lerner Research Institute, Cleveland, Ohio, USA
20. Department of Microbiology and Immunology, Louisiana State University Health Sciences, Shreveport, Louisiana, USA
21. Department of Microbiology and Immunology, Emory University, Atlanta, Georgia, USA
22. The Ohio State University, Center for Retrovirus Research and Infectious Disease Institute, Columbus, Ohio, USA
23. Department of Molecular Genetics and Microbiology, Duke University School of Medicine, Durham, North Carolina, USA
24. Department of Microbiology and Immunology, Cornell University, Weill Cornell Medicine, New York, New York, USA
25. Columbia University, Vagelos College of Physicians and Surgeons, New York, New York, USA
26. Department of Biology, Texas A&M University, College Station, Texas, USA
27. Department of Pediatrics, Cornell University, Weill Cornell Medicine, New York, New York, USA
28. University of Texas, Southwestern Medical Center, Dallas, Texas, USA
29. University of Saskatchewan, College of Medicine, Saskatoon, Canada
30. Department of Microbiology and Molecular Genetics, University of California, Irvine, Irvine, California, USA
31. Department of Microbiology and Immunology, Northwestern University, Feinberg School of Medicine, Chicago, Illinois, USA
32. Oregon State University, Carlson College of Veterinary Medicine, Corvallis, Oregon, USA
33. Department of Molecular Biology and Biophysics, University of Connecticut, Farmington, Connecticut, USA
34. Washington University School of Medicine in St. Louis, St. Louis, Missouri, USA