1. Department of Chemical Engineering, University of Chemistry and Technology Prague, Technická 3, 16628 Prague 6, Czech Republic
2. Department of Physical Chemistry, University of Chemistry and Technology Prague, Technická 3, 16628 Prague 6, Czech Republic
3. Institute of Physics of the Czech Academy of Sciences, Na Slovance 2, 182 21 Praha 8, Czech Republic
4. Zentiva, k.s., U kabelovny 130, 10237 Prague 10, Czech Republic