1. Biomedical Engineering Institute, Kaunas University of Technology, Kaunas, Lithuania
2. Department of Biomedical Engineering, Dezful Branch, Islamic Azad University, Dezful, Iran
3. Faculty of Electrical and Electronics Engineering, Kaunas University of Technology, Kaunas, Lithuania
4. Data and Signal Processing Research Group, University of Vic—Central University of Catalonia, Vic, Spain
5. Institute of Psychology, Jagiellonian University, Kraków, Poland
6. Department of Biocybernetics and Biomedical Engineering, AGH University of Science and Technology, Kraków, Poland