1. Laboratory of Hygiene of Foods of Animal Origin, Aristotle University of Thessaloniki (AUTh), Thessaloniki, Greece.
2. Laboratory of Microbiology and Infectious Diseases, School of Veterinary Medicine, Faculty of Health Sciences, Aristotle University of Thessaloniki (AUTh), Thessaloniki, Greece.
3. Department of Veterinary Public Health and Food Safety, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium.