1. Institute of Process Engineering, ETH Zurich, Sonneggstrasse 3, 8092 Zurich, Switzerland
2. School of Agricultural, Forest and Food Science, Bern University of Applied Science, Länggasse 85, 3052 Zollikofen, Switzerland
3. Institute of Chemistry and Biotechnology, Zurich University of Applied Sciences, Einsiedlerstrasse 29, 8820 Wädenswil, Switzerland