1. University of Zilina,Faculty of Electrical Engineering and Information Technology,Department of Electromagnetic and Biomedical Engineering,Zilina,Slovak Republic
2. Electronics and Computer Science, Silesian University of Technology Silesian, University of Technology, Biotechnology Center,Biotechnology Center, Faculty of Automatic Control,Department of Systems Biology and Engineering,Gliwice,Poland
3. Silesian University of Medicine,Department of Physiology,Katowice,Poland