1. Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague, nám. Sítná 3105, 27201, Kladno, Czech Republic
2. Institute of Measurement Science Slovak Academy of Sciences, Department of Biomeasurements, Dúbravská cesta, 9, 84104, Bratislava, Slovakia
3. Department of Biomedical Technology, Faculty of Biomedical Engineering, Czech Technical University in Prague,nám. Sítná 3105, 27201, Kladno, Czech Republic
4. 3rd Faculty of Medicine, Charles University and Cardiocenter, University Hospital Královské Vinohrady, Šrobárova, 50, 10034, Prague, Czech Republic