1. Institut für Physik‐NMR Martin‐Luther‐Universität Halle‐Wittenberg, Halle Betty‐Heimann‐Strasse 7 Halle (Saale) 06120 Germany
2. Polymer Competence Center Leoben GmbH Roseggerstrasse 12 Leoben 8700 Austria
3. Institute for Chemistry and Technology of Materials Graz University of Technology Stremayrgasse 9 Graz 8010 Austria
4. Institute of Bioproducts and Paper Technology Graz University of Technology Inffeldgasse 23 Graz 8010 Austria
5. Institute of Physics Montanuniversitaet Leoben Franz‐Josef‐Strasse 18 Leoben 8700 Austria