1. Department of Bacteriology and Epidemiology; Wageningen Bioveterinary Research; Lelystad The Netherlands
2. ERI BioTecMed, Department of Microbiology and Ecology; University of Valencia, Faculty of Biology, Campus of Burjassot; Valencia Spain
3. Department of Microbiology and Parasitology; Universidade de Santiago de Compostela; Santiago de Compostela Spain
4. Department of Food Safety Nutrition and Veterinary Public Health; Istituto Superiore di Sanitá; Rome Italy
5. Department of Earth, Environmental and Life Science; University of Genova; Genova Italy