1. Institute of Ecology of the Carpathians, National Academy of Sciences of Ukraine, Kozelnytska st. 4, Lviv, 79026 Ukraine;
2. Department of Comparative Anatomy and Anthropology, Maria Curie-Sklodowska University, Akademicka 19, 20-033 Lublin, Poland;
3. Association for Nature “Wolf”, Twardorzeczka 229, 34-324 Lipowa, Poland;
4. Museum and Institute of Zoology Polish Academy of Sciences, Wilcza 64, 00-679 Warszawa, Poland;,
5. Faculty of Biology, University of Warsaw, Miecznikowa 1, 02-096 Warszawa, Poland;