1. Czech University of Life Sciences Prague, Faculty of Forestry and Wood Sciences, Department of Game Management and Forest Zoology, Kamýcká 1176, 165 21 Prague 6, Czech Republic
2. Czech University of Life Sciences Prague, Faculty of Environmental Sciences, Department of Applied Geoinformatics and Spatial Planning, Kamýcká 129, 165 21 Prague 6, Czech Republic
3. Museum Karlovy Vary, Pod Jelením skokem 30, 360 01 Karlovy Vary, Czech Republic;