1 Students Science Club of Pathophysiologists. Department of Physiology and Pathophysiology. School of Medicine, University of Warmia and Mazury, Olsztyn, Poland.
2 Department of Clinical Physiology. Faculty of Veterinary Medicine, University of Warmia and Mazury, Olsztyn, Poland.
3 Department of Clinical Diagnostics, Faculty of Veterinary Medicine, University of Warmia and Mazury, Olsztyn, Poland. krystyna.makowska@uwm.edu.pl.