1. Institute of Biophysics, Academy of Sciences of the Czech Republic, Královopolská 135, CZ-61265 Brno, Czech Republic
2. CEITEC-Central European Institute of Technology, Masaryk University, Campus Bohunice, Kamenice 5, CZ-62500 Brno, Czech Republic
3. Center for Nanophase Materials Sciences and Computer Sciences and Mathematics Division, Oak Ridge National Laboratory, Oak Ridge, P.O. Box 2008, Oak Ridge, Tennessee 37831-6494, United States