1. Department of Chemistry Johannes Gutenberg Universität Mainz Mainz 55099 Germany
2. Macromolecular Chemistry Department Technische Universität Darmstadt Alarich‐Weiss Str. 4 Darmstadt 64287 Germany
3. Chair in Polymer Chemistry Saarland University Saarbrücken 66123 Germany
4. Department of Physics University of Ioannina Ioannina 45110 Greece
5. Max Planck Institute for Polymer Research Mainz 55128 Germany