1. Wellcome-Wolfson Institute of Experimental Medicine, Queen’s University Belfast, Belfast, UK
2. Department of Microbiology and Immunology, University of Melbourne at the Peter Doherty Institute for Infection and Immunity, Melbourne, Australia
3. Department of Microbiology and Immunology, Faculty of Pharmacy, Alexandria University, Alexandria, Egypt
4. University Paris-Est, French Agency for Food, Environmental and Occupational Health & Safety (Anses), Animal Health Laboratory, Maisons-Alfort, Cedex, France