1. Wallenberg Wood Science Center, Department of Fiber and Polymer Technology, KTH Royal Institute of Technology, SE-10044Stockholm, Sweden
2. Materials Chemistry Division, Department of Chemistry, Faculty of Science, University of Helsinki, 00560Helsinki, Finland
3. Department of Nanobiotechnology, Institute of Biophysics, University of Natural Resources and Life Sciences, 1190Vienna, Austria
4. Division of Glycoscience, Department of Chemistry, KTH Royal Institute of Technology, AlbaNova
University Centre, 106 91Stockholm, Sweden