1. Department of Biology and Wildlife, College of Natural Science and Mathematics, University of Alaska Fairbanks, Fairbanks, AK 99775, USA
2. Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine, University of Warmia and Mazury in Olsztyn, Oczapowskiego 13, 10-718 Olsztyn, Poland
3. Department of Veterinary Medicine, College of Natural Science and Mathematics, University of Alaska Fairbanks, Fairbanks, AK 99775, USA