1. Student Scientific Group, Department of Human Physiology, Medical University of Lublin, 20-080 Lublin, Poland
2. Department of Laboratory Diagnostics, Medical University of Lublin, Doktora Witolda Chodźki 1 Str., 20-093 Lublin, Poland
3. Department of Hematooncology and Bone Marrow Transplantation, Medical University of Lublin, 20-081 Lublin, Poland
4. Department of Human Physiology, Medical University of Lublin, 20-080 Lublin, Poland