1. Institute of Active Polymers, Helmholtz-Zentrum Hereon, Kantstr. 55, 14513 Teltow, Germany
2. Institute for Technical and Macromolecular Chemistry, University of Hamburg, Bundesstrasse 55, 20146 Hamburg, Germany
3. Department of Chemistry, University of Hamburg, Martin-Luther-King-Platz 6, 20146 Hamburg, Germany