1. Department of Microbiology, Institute of Biology and Ecology, Faculty of Science, Pavol Jozef Safarik University in Kosice, Kosice, Slovakia
2. Associated Tissue Bank, Faculty of Medicine, Pavol Jozef Safarik University in Kosice, Kosice, Slovakia
3. Institute of Geography, Faculty of Science, Pavol Jozef Safarik University in Kosice, Kosice, Slovakia
4. Institute of Animal Physiology, Centre of Biosciences, Slovak Academy of Sciences, Kosice, Slovakia