1. Department of Forest Products Technology; Aalto University; P.O. Box 16300 00076 Aalto Finland
2. Polymer and Composites Engineering group Department of Chemical Engineering; Imperial College London; London SW7 2AZ UK
3. Biochemicals; UPM-Kymmene Corporation; Finland
4. Department of Physics; University of Helsinki; P.O. Box 64 00014 Helsinki Finland
5. Chimie de la Matière Condensée de Paris; Sorbonne Universités; 75005 Paris France
6. Department of Applied Physics; Aalto University; P.O. Box 15100 00076 Aalto Finland
7. University of Natural Resources and Life Sciences; Muthgasse 18 1190 Wien Austria