1. Department of Physics, Faculty of Science, University of South Bohemia in České Budějovice, Branišovská 1760, 37005 České Budějovice, Czech Republic
2. Department of Medical Biology, Faculty of Science, University of South Bohemia in České Budějovice, Branišovská 1760, 37005 České Budějovice, Czech Republic
3. Department of Chemistry, Faculty of Science, University of South Bohemia in České Budějovice, Branišovská 1760, 37005 České Budějovice, Czech Republic
4. Department of Macromolecular Physics, Faculty of Mathematics and Physics, Charles University, V Holešovickách 2, 182 00 Praha, Czech Republic