1. Department of Veterinary Medicine, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia.
2. Scientific Veterinary Institute “Novi Sad”, Novi Sad, Serbia.
3. Institute of Microbiology, Military Medical Academy, Belgrade, Serbia.
4. Orthopedics and Traumatology Clinic, Clinical Centre of Vojvodina, Novi Sad, Serbia.
5. Faculty of Medicine, University of Novi Sad, Novi Sad, Serbia.
6. lnfectious Diseases Clinic, Clinical Centre of Vojvodina, Novi Sad, Serbia.
7. Institute of Public Health of Vojvodina, Novi Sad, Serbia.
8. Veterinary Specialist Institute Kraljevo, Kraljevo, Serbia.
9. Department of Environmental and Plant Protection, Faculty of Agriculture, University of Novi Sad, Novi Sad, Serbia.