1. Laboratory for Multifunctional Materials, Department of Materials, ETH Zürich. Vladimir-Prelog-Weg 5, 8093 Zürich, Switzerland
2. Department of Graphic Design and Engineering Projects, Bilbao Faculty of Engineering. University of the Basque Country (UPV/EHU), Bilbao 48103, Spain
3. BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940 Leioa, Spain
4. Laboratory for Applied Wood Materials, Empa, Überlandstrasse 129, 8600 Dübendorf, Switzerland