1. Mammal Research Institute; Polish Academy of Sciences; Białowieża 17-230 Poland
2. Institute of Arctic Biology and Department of Biology and Wildlife; University of Alaska; Fairbanks P.O. Box 757000 AK 99775-7000 USA
3. Institute of Zoology; Scientific and Practical Centre for Biological Resources; National Academy of Sciences of Belarus; Minsk BY-220072 Republic of Belarus
4. Department of Zoology; Institute of Ecology and Earth Science; University of Tartu; Tartu 51014 Estonia
5. Norwegian Institute for Nature Research; P.O. Box 5685 Sluppen Trondheim NO-7485 Norway
6. Finnish Food Safety Authority Evira; Helsinki 00790 Finland
7. Grimsö Research Station; Swedish University of Agricultural Sciences; 73091 Riddarhyttan Sweden
8. Department of Animal Ecology; B. M. Zhitkov Russian Research Institute of Game Management and Fur Farming; Kirov 610000 Russia
9. Mizhrichynskyi Regional Landscape Park; Otrokhy; Kozelets Raion Chernihiv Oblast, Ukraine
10. Natural Resources Institute Finland; Helsinki 00790 Finland
11. Institute of Ecology; Nature Research Centre; Vilnius LT-08412 Lithuania
12. Latvian State Forest Research Institute ‘Silava’; Salaspils 2169 Latvia
13. Inter-regional Non-governmental Organization ‘Leningrad Association of Hunters and Fishermen’; Sankt Petersburg 190121 Russia
14. Non-commercial Partnership ‘Union of Gamekeepers of the Kostroma Region’; Kostroma Russia