1. Swerea SICOMP AB, Box 104, SE-431 22 Mölndal, Sweden
2. Lulea University of Technology, Dept. Appl. Physics and Mech. Eng. SE-97187 Lulea, Sweden,
3. Laboratoire de Technologie des Composites et Polymères (LTC) Ecole Polytechnique Fédérale de Lausanne (EPFL) CH-1015 Lausanne, Switzerland
4. STFI-Packforsk AB, New Materials and Composites SE-11486 Stockholm, Sweden