1. Institute of Bioprocess Engineering and Pharmaceutical Technology, University of Applied Sciences Mittelhessen, 35390 Giessen, Germany
2. Department of Chemical Engineering, Faculty of Engineering, Kansas State University, Manhattan, KS 66506, USA
3. Faculty of Biology and Chemistry, Justus Liebig University, Giessen, Germany
4. Faculty of Biology and Chemistry, Justus Liebig University, 35392 Giessen, Germany