1. Films in Fluids/Inorganic Membranes, University of Twente, Department of Science and Technology, MESA Institute for Nanotechnology; P.O. Box 217, 7500 AE Enschede the Netherlands
2. DWI-Leibniz-Institute for Interactive Materials; Forckenbeckstrasse 50 Aachen 52074 Germany
3. Faculty of Aerospace Engineering, Delft University of Technology; Kluyverweg 1, 2629 HS Delft the Netherlands
4. Dutch Polymer Institute (DPI); P.O. Box 902, 5600 AX Eindhoven the Netherlands