1. Institute of Chemical Technology, University of Leipzig, Linnéstr. 3, 04103 Leipzig, Germany
2. Institute of Physics, Martin-Luther-University Halle-Wittenberg, Von-Dankelmann-Platz 3, 06120 Halle (Saale), Germany
3. Wilhelm-Ostwald-Institute for Physical and Theoretical
Chemistry, University of Leipzig, Linnéstr. 2, 04103 Leipzig, Germany
4. DBFZ Deutsches Biomasseforschungszentrum Gemeinnützige GmbH, Torgauer Str. 116, 04347 Leipzig, Germany