1. Institute of Organic Chemistry III-Macromolecular Chemistry and Organic Materials, University of Ulm, Albert-Einstein-Allee 11, Ulm 89081, Germany
2. Institute of Pharmaceutical Biotechnology, University of Ulm, Albert-Einstein-Allee 11, Ulm 89081, Germany
3. Department of Life Sciences, Albstadt-Sigmaringen University of Applied Sciences, Sigmaringen 72488, Germany
4. Department Synthesis of Macromolecules, Max Planck Institute for Polymer Research, Mainz 55128, Germany