1. Institute of Biophysics, Czech Academy of Sciences, Kralovopolska 135, CZ-61200 Brno, Czech Republic
2. School of Science, Western Sydney University, Penrith South DC 1797, New South Wales, Australia
3. Department of Biophysics, Faculty of Science, Palacky University, Slechtitelu 27, 783 71 Olomouc, Czech Republic