1. Faculty of Electronic Engineering, University of Niš, Aleksandra Medvedeva 14, 18000 Niš, Serbia
2. Department of Microbiology and Immunology, Faculty of Medicine, University of Niš, 18000 Niš, Serbia
3. Center of Microbiology and Parasitology, Public Health Institute Niš, 18000 Niš, Serbia
4. Istituto Zooprofilattico Sperimentale della Lombardia e dell’Emilia Romagna, 27100 Pavia, Italy
5. Department of Veterinary Medicine, University of Bari, Valenzano, 70010 Bari, Italy
6. Laboratory of Antimicrobial Chemotherapy, Iasi University of Life Sciences, 700490 Iasi, Romania