1. Faculty of Chemical Technology, University of Twente, P.O. Box 217, 7500 AE Enschede, The Netherlands
2. Centre of Polymer and Composites, Faculty of Chemical Engineering and Chemistry, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
3. Polymer Institute, Slovak Academy of Sciences, 842 36 Bratislava, Slovakia