1. Macromolecular Chemistry II; Bavarian Polymer Institute; University of Bayreuth; Universitätsstrasse 30 95440 Bayreuth Germany
2. Helmholtz-Zentrum Geesthacht; Institute of Polymer Research; Max-Planck-Str. 1 21502 Geesthacht Germany
3. Physics Department; Martin-Luther University of Halle-Wittenberg; 06099 Halle (Saale) Germany
4. Institute of Physical Chemistry; University of Hamburg; Martin-Luther-King Platz 6 20146 Hamburg Germany