1. Department of Physical and Macromolecular Chemistry; Faculty of Science; Charles University in Prague; Hlavova 2030 128 43 Prague 2 Czech Republic
2. J. Heyrovský Institute of Physical Chemistry, v. v. i.; Academy of Sciences of the Czech Republic; Dolejsˇkova 3 182 23 Prague 8 Czech Republic
3. Institute of Macromolecular Chemistry, v. v. i.; Academy of Sciences of the Czech Republic; Heyrovský Sq. 2 16206 Prague 6 Czech Republic