1. Faculty of Wood Engineering, Eberswalde University for Sustainable Development, Eberswalde, Germany
2. Interdepartmental Center for Energy Technologies, Technische Universität Ilmenau, Research Unit High-Voltage Technologies Ilmenau, Germany
3. PREMETEC Automation GmbH, Suhl, Germany
4. Department II - Mathematics - Physics – Chemistry, Beuth University of Applied Sciences Berlin, Berlin, Germany
5. Thünen Institute of Wood Research, Hamburg, Germany