1. Department of Life Science and Bioprocesses Fraunhofer-Institute for Applied Polymer Research (IAP) Geiselbergstraße 69 14476 Potsdam Germany
2. Institute of Bioorganic Chemistry Heinrich-Heine-University Düsseldorf at Forschungszentrum Jülich Stetternicher Forst 52426 Jülich Germany
3. IBG-1: Biotechnology Forschungszentrum Jülich GmbH 52425 Jülich Germany