1. Faculty of Science, Department of Physical and Macromolecular Chemistry; Charles University; Hlavova 8 Prague 2 128 40 Czech Republic
2. Faculty of Mathematics and Physics, Institute of Physics; Charles University; Ke Karlovu 5 Prague 2 121 16 Czech Republic
3. J. Heyrovsky Institute of Physical Chemistry of the ASCR; v.v.i, Dolejškova 3 182 21 Prague 8 Czech Republic
4. Institute of Macromolecular Chemistry AS CR; Heyrovsky Sq. 2 162 06 Prague 6 Czech Republic