1. Department of Polymer Chemistry and Biomaterials, MIRA Institute
for Biomedical Technology and Technical Medicine, Faculty of Science
and Technology, University of Twente, P.O.
Box 217, 7500 AE Enschede, The Netherlands
2. Core R&D, DOW Benelux BV, P.O. Box 48, 4530 AA Terneuzen, The Netherlands
3. Dow Olefin Verbund GmbH, P.O. Box 1163, D-06258, Schkopau, Germany
4. Institut de Sciences des Matériaux de Mulhouse-IS2M, CNRS LRC 7228, Jean Starcky, 15, F-68057 Mulhouse,
France