1. Department
of Forest Products Technology, Aalto University School of Chemical Technology, P.O. Box
16300, Vuorimiehentie 1, Espoo, FI-00076 Aalto, Finland
2. Metsä
Fibre Oy, P.O. Box 165, Maanpääntie 9, Rauma, FI-26101, Finland
3. Department
of Food and Environmental Sciences, University of Helsinki, P.O. Box 66, Agnes Sjöbergin katu 2, Helsinki, FI-00014, Finland