1. Department of Zoology and Animal Ecology, University of Life Sciences in Lublin, Lublin, Poland
2. Institute of Marine and Environmental Science, University of Szczecin, Szczecin, Poland
3. Institute of Biology, University of Szczecin, Szczecin, Poland
4. Department of Zoology and Nature Protection, Maria Curie-Skłodowska University, Lublin, Poland
5. Department of Ecology and Environmental Protection, University of Warmia and Mazury in Olsztyn, Olsztyn, Poland
6. Department of Invertebrate Zoology and Hydrobiology, University of Lodz, Łódź, Poland
7. Department of Biology, University of Montenegro, Podgorica, Montenegro
8. B.P.P. “Bagnik” Lech Pietrzak, Olsztyn, Poland