1. Department of Forest
Products Technology, School of Chemical Technology, Aalto University, P.O. Box 16300, 00076 Aalto, Finland
2. Department of Applied
Physics, School of Science, Aalto University, P.O. Box 15100, 00076 Aalto, Finland
3. Laboratory of Organic Chemistry, Department
of Chemistry, University of Jyväskylä, P.O. Box 35, 400014, Finland