1. a Department of Anatomy, Academy of Physical Education, Krakow, Poland. scis@poczta.onet.pl
2. b Department of Biomaterials, AGH University of Science and Technology, Krakow, Poland
3. c Department of Evolutionary Immunobiology, Jagiellonian University, Krakow, Poland
4. d Department of Evolutionary Immunobiology, Jagiellonian University, Krakow, Poland