1. Polish Academy of Sciences, Institute of Nature Conservation, Kraków, Poland
2. Slovak Wildlife Society, Liptovský Hrádok, Slovakia
3. Madrid, Spain
4. Department of Forestry, Biotechnical Faculty, University of Ljubljana, Ljubljana, Slovenia
5. City of Tehran, Iran
6. Department of Applied Zoology and Wildlife Management, Faculty of Forestry, Technical University in Zvolen, Zvolen, Slovakia
7. Laboratory of Ecology and Conservation of Animals, Pacific Institute of Geography of Far East Branch of Russian Academy of Sciences, Vladivostok, Russia
8. Far Eastern Federal University, Vladivostok, Russia
9. Carpathian Wildlife Society, Zvolen, Slovakia
10. Faculty of Applied Ecology, Agricultural Sciences and Biotechnology, Inland Norway University of Applied Sciences, Koppang, Norway
11. Tatra National Park, Zakopane, Poland