1. Polish Academy of Sciences; Department of Polymer Chemistry; Centre of Molecular and Macromolecular Studies; Sienkiewicza, 112 90-363 Lodz Poland
2. Institute of Chemistry and Biochemistry; Freie Universität Berlin; Takustr. 3 D-14195 Berlin Germany
3. Institute of Physical Chemistry; Johannes Gutenberg-Universität Mainz; Duesbergweg 10-14 D-55128 Mainz Germany