1. Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, The Netherlands
2. Dutch Polymer Institute, P.O. Box 902, 5600 AX Eindhoven, The Netherlands
3. DSM Research, P.O. Box 18, 6160 MD Geleen, The Netherlands
4. DSM Elastomers Global R&D, P.O. Box 1130, 6160 BC Geleen, The Netherlands