1. Department of Forest Products Technology, School of Chemical Technology; Aalto University; P.O. Box 16300 00076 Aalto Finland
2. HYBER, the Academy of Finland's Centre of Excellence in Molecular Engineering of Biosynthetic Hybrid Materials research; Aalto University; P.O. Box 16300 00076 Aalto Finland
3. Division of Material physics Department of Physics; Helsinki University; P.O. Box 64 FI-00014 Finland
4. Department of Applied Physics, School of Science; Aalto University; P.O. Box 15100 00076 Aalto Finland