1. Max Planck Institute for Polymer Research, Ackermannweg 10, 55128 Mainz,
Germany
2. Department of Organic
Chemistry, Johannes Gutenberg-University Mainz, Duesbergweg 10-14,
55128 Mainz, Germany
3. Graduate School “Materials Science in Mainz”, Staudingerweg 9, 55099 Mainz,
Germany