1. University of Rome “Tor Vergata”, Department
of Chemical Sciences and Technologies, Via della Ricerca Scientifica, 00133 Rome, Italy
2. Fraunhofer-Institut für Fertigungstechnik und Angewandte Materialforschung IFAM, Wiener Straße 12, 28359 Bremen, Germany
3. Department
of Fibre and Polymer Technology, KTH Royal Institute of Technology, Stockholm SE-100 44, Sweden
4. WWSC
Wallenberg Wood Science Center, KTH Royal Institute of Technology, Stockholm SE-100 44, Sweden