1. Faculty of Veterinary Medicine, Department of Food Hygiene and Technology, University of Belgrade, Bulevar Oslobodjenja 18, Belgrade, Serbia
2. Department of Sanitary Microbiology, Institute of Public Health of Belgrade, Bulevar Despota Stefana 54a, Belgrade, Serbia
3. Faculty of Veterinary Medicine, Department of Microbiology and Immunology, University of Belgrade, Bulevar Oslobodjenja 18, Belgrade, Serbia