1. Institute of Physics, Montanuniversität Leoben, Franz-Josef-Straße 18, 8700 Leoben, Austria
2. Department of Materials Science, Montanuniversität Leoben, Franz-Josef-Straße 18, 8700 Leoben, Austria
3. Institute of Bioproducts and Paper Technology, Graz University of Technology, Inffeldgasse 23, 8010 Graz, Austria
4. Department of Bioproducts and Biosystems, Aalto University, P.O. Box 16300, 00076 Aalto, Finland
5. National Center for Scientific Research “Demokritos”, Patriarchou Grigoriou and Neapoleos 27, 15341 Athens, Greece
6. Department of Mechanical and Manufacturing Engineering, University of Cyprus, 1 Panepistimiou Avenue, 2109 Nicosia, Cyprus