Institute of Physical Biology, University of South Bohemia, Academic and University Center, Zámek 136, 373 33 Nové Hrady, Czech Republic. urban@greentech.cz|Institute of Physical Biology, University of South Bohemia, Academic and University Center, Zámek 136, 373 33 Nové Hrady, Czech Republic. urban@greentech.cz|Institute of Physical Biology, University of South Bohemia, Academic and University Center, Zámek 136, 373 33 Nové Hrady, Czech Republic. urban@greentech.cz|Institute of Physical Biology, University of South Bohemia, Academic and University Center, Zámek 136, 373 33 Nové Hrady, Czech Republic. urban@greentech.cz