1. Laboratory of Polymeric Materials, Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, Zurich 8093, Switzerland
2. Institute of Inorganic and Analytical Chemistry, Justus-Liebig University of Gießen, Heinrich-Buff Ring 17, D-35392, Gießen, Hessen 35392, Germany
3. Center For Free Electron Laser Science, University of Hamburg, Institut für Nanostruktur und Festkörperphysik, Gebäude 99, Luruper Chaussee 149, Hamburg 22761, Germany
4. Laboratoire de Chimie des Polymères Organiques, University of Bordeaux/ENSCBP/CNRS UMR5629, Pessac 33600, France
5. Department of Chemistry and Biochemistry, Miami University, Oxford, Ohio 45056, United States