1. Institute of Macromolecular Chemistry, CAS, Heyrovského nám. 2, Prague 6 162 06, Czech Republic
2. Department of Low Temperature Physics, Faculty of Mathematics and Physics, Charles University, V Holešovičkách 2, Prague 8 180 00, Czech Republic
3. Institute of Organic Chemistry and Biochemistry, CAS, Flemingovo nám. 2, Prague 6 160 00, Czech Republic
4. J. Heyrovský Institute of Physical Chemistry, CAS, Dolejškova 2155/3, Prague 8 182 23, Czech Republic
5. Supramolecular Chemistry Group, Centre of Macromolecular Chemistry (CMaC), Department of Organic and Macromolecular Chemistry, Ghent University, Krijgslaan 281-S4, Ghent B-9000, Belgium