1. Institut für Virologie, Freie Universität Berlin, Berlin, Germany
2. Division of Infectious and Immune Diseases, CHU de Quebec Research Center-Laval University, Québec, Canada
3. Department of Microbiology, Infectious Disease and Immunology, Faculty of Medicine, Laval University, Québec, Canada
4. Veterinary Centre for Resistance Research (TZR), Freie Universität Berlin, Berlin, Germany