1. Department of Microbiology and Immunology, Cornell University, Weill Cornell Medical College, New York, New York.
2. Laboratory of Experimental Virology, Department of Medical Microbiology, Center for Infection and Immunity Amsterdam, Academic Medical Center of the University of Amsterdam, Amsterdam, The Netherlands.
3. Immunology Institute, Department of Medicine, Mount Sinai School of Medicine, New York, New York.
4. Catalan Institute for Research and Advanced Studies, Barcelona Biomedical Research Park, IMIM-Hospital del Mar, Barcelona, Spain.