1. ETH Zurich, Institute for Building Materials
(IfB), Wood Materials Science, 8093 Zurich, Switzerland
2. EMPA (Swiss Federal Laboratories for Material Science and Technology), Applied Wood Materials Laboratory, Überlandstrasse 129, 8600 Dübendorf, Switzerland
3. Helmholtz Zentrum Geesthacht (HZG), Institute for
Materials Research, Max-Planck-Straße
1, 21502 Geesthacht, Germany