1. Laboratory for Functional Polymers, Swiss Federal Laboratories for Materials Science and Technology Empa, Ueberlandstr. 129, CH-8600 Dübendorf, Switzerland
2. Institute of Chemical Sciences and Engineering, Ecole Polytechnique Federale de Lausanne, EPFL, Station 6, CH-1015 Lausanne, Switzerland
3. Department of Health Sciences and Technology, ETH Zürich, Laboratory of Food and Soft Materials, Schmelzbergstrasse 9, 8092 Zürich, Switzerland
4. Department of Materials, ETH Zurich, Vladimir-Prelog-Weg 5, 8093 Zurich, Switzerland