1. Institute for Building Materials (IfB), Wood Materials Science, ETH Zürich, Stefano-Franscini-Platz 3, 8093 Zürich, Switzerland
2. Applied
Wood Materials Laboratory, Empa - Swiss Federal Laboratories for Material Testing and Research, 8600 Dübendorf, Switzerland
3. Physical Chemistry II, University of Bayreuth, Universitätsstr. 30, 95447 Bayreuth, Germany
4. Institute for Geophysics,
Earth and Planetary Magnetism, ETH Zürich, Sonneggstrasse 5, 8092 Zürich, Switzerland