1. Technology and Society Laboratory, Empa—Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 901 St. Gallen, Switzerland
2. Process Engineering Department, Eawag—Swiss Federal Institute of Aquatic Science and Technology, Überlandstrasse 133, 8600 Dübendorf, Switzerland
3. Laboratory for Advanced Fibers, Empa—Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland