1. Department of Animal Hygiene, Faculty of Veterinary Medicine , University of Belgrade , Bul. oslobodjenja 18, 11000 Belgrade , Serbia
2. Department of Biology, Faculty of Veterinary Medicine , University of Belgrade , Bul. oslobodjenja 18, 11000 Belgrade , Serbia
3. Department of Food Hygiene and Technology, Faculty of Veterinary Medicine , University of Belgrade , Bul. oslobodjenja 18, 11000 Belgrade , Serbia
4. Patent Co. DOO, Vlade Ćetkovića 1a, 24211 Mišićevo , Serbia
5. Department of Veterinary Pathology, Faculty of Veterinary Medicine , University of Belgrade , Bul. oslobodjenja 18, 11000 Belgrade , Serbia