1. Dutch Polymer Institute (DPI), PO Box 902, 5600 AX Eindhoven, The Netherlands
2. Deutsches Kunststoff-Institut (German Institute for Polymers), Schlossgartenstr. 6, 64289 Darmstadt, Germany
3. Leibniz-Institute of Polymer Research Dresden, Hohe Str. 6, D-01069 Dresden, Germany