1. Department of Game Management and Wildlife Biology, Faculty of Forestry and Wood Sciences, Czech University of Life Sciences, Prague, Czech Republic
2. Department of Zoology, Faculty of Science, University of South Bohemia, České Budějovice, Czech Republic
3. Department of Behavioral and Cognitive Biology, Faculty of Life Sciences, University of Vienna, Vienna, Austria
4. Bratislava Zoo, Bratislava, Slovakia
5. Department of Animal Science and Food Processing, Faculty of Tropical AgriSciences, Czech University of Life Sciences, Prague, Czech Republic
6. Ústí nad Labem Zoo, Ústí nad Labem, Czech Republic