1. Wood Materials Science, Institute for Building Materials, ETH Zürich, Zürich 8093, Switzerland
2. Laboratory for Cellulose & Wood Materials, Empa, Duebendorf 8600, Switzerland
3. School of Materials Science and Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
4. Laboratory for Cellulose & Wood Materials, Empa, Lerchenfeldstrasse 5, St. Gallen 9014, Switzerland
5. Complex Materials, Department of Materials, ETH Zürich, Zürich 8093, Switzerland