1. Institute of Biology and Ecology; Faculty of Science, P. J. Šafárik University; Košice Slovakia
2. School of Medicine; University of Liverpool; Liverpool United Kingdom
3. Archaeology, Classics and Egyptology; University of Liverpool; Liverpool United Kingdom
4. Department of Forest Protection and Wildlife Management, Faculty of Forestry and Wood Sciences; Czech University of Life Sciences; Praha 6 Czech Republic
5. Clinic of Small Animals; University of Veterinary Medicine and Pharmacy; Košice Slovakia
6. Department of Vertebrate Zoology and Human Biology; Institute of Biology, Cracow Pedagogical University; Kraków Poland