1. Department of Immunology, University of Toronto, Toronto, Ontario, Canada.
2. Institute of Immunobiology, Kantonsspital St. Gallen, St. Gallen, Switzerland.
3. Department of Microbiology, Immunology and Infectious Diseases, Snyder Institute for Chronic Diseases, Cumming School of Medicine, University of Calgary, Calgary, Alberta, Canada.
4. Department of Medical Biophysics, University of Toronto, Princess Margaret Hospital, Toronto, Ontario, Canada.
5. Department of Molecular Genetics, University of Toronto, Toronto, Ontario, Canada.
6. Engelhardt Institute of Molecular Biology, Russian Academy of Sciences and Department of Immunology, Biological Faculty, Lomonosov Moscow State University, Moscow, Russia.