1. Department of Biology and Ecology, Faculty of Sciences; University of Novi Sad; Trg Dositeja Obradovića 2 21000 Novi Sad Serbia
2. Ciklonizacija; Primorska 76 21000 Novi Sad Serbia
3. Department of Medical Biochemistry and Microbiology/Zoonotic Science Centre; Uppsala University; SE-75123 Uppsala Sweden
4. Virological Research Group, Szentágothai Research Center; University of Pécs; Pécs Hungary