1. Institute of Organic Chemistry, Johannes Gutenberg University Mainz, Duesbergweg 10-14, 55128 Mainz, Germany
2. Macromolecular Chemistry Department, Technische Universität Darmstadt, Alarich-Weiss Str. 4, 64287 Darmstadt, Germany
3. Physical Chemistry, University of Duisburg-Essen, Carl-Benz-Str. 199, 47057 Duisburg, Germany
4. Chair in Polymer Chemistry, Saarland University, 66123 Saarbrücken, Germany