1. Faculty of Biology; University of Belgrade; Studentski trg 16 Belgrade 11000 Serbia
2. Scientific Veterinary Institute of Serbia; Vojvode Toze 14 Belgrade 11000 Serbia
3. Faculty of Veterinary Medicine; University of Belgrade; Bulevar Oslobod − enja 18 Belgrade 11000 Serbia
4. Institute for Biological Research ‘Siniša Stanković’; University of Belgrade; Bulevar despota Stefana 142 Belgrade 11060 Serbia