1. Fiber and Polymer Technology, Wallenberg Wood Science Center, Royal Institute of Technology, Stockholm, Sweden
2. Department of Bioproducts and Biosystems, Aalto University, Finland
3. Department of Food and Environmental Chemistry, University of Helsinki, Finland
4. Department of Agricultural Sciences, Viikki Plant Science Centre, University of Helsinki, Finland
5. Natural Resources Institute Finland, Production Systems, Plant Genetics, Helsinki, Finland