1. Laboratory for Cellulose & Wood Materials, Empa─Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland
2. Department of Civil, Environmental and Geomatic Engineering, ETH Zurich, Stefano-Franscini Platz 5, Postfach 193, CH-8093 Zurich, Switzerland
3. Laboratory for Cellulose & Wood Materials, Empa─Swiss Federal Laboratories for Materials Science and Technology, Überlandstrasse 129, 8600 Dübendorf, Switzerland
4. Laboratory for Advanced Fibers, Empa─Swiss Federal Laboratories for Materials Science and Technology, Lerchenfeldstrasse 5, 9014 St. Gallen, Switzerland