1. Institute of Biology, Biotechnology and Environmental Protection, University of Silesia in Katowice, Katowice, Poland
2. Bioengineering Laboratory, Heart Prosthesis Institute, Zabrze, Poland
3. Faculty of Automatic Control, Electronics and Computer Science, Silesian University of Technology, Gliwice, Poland
4. Department of General Zoology, Adam Mickiewicz University, Poznań, Poland