1. Division of Glycoscience, School of Biotechnology, Royal Institute of Technology (KTH), 106 91 Stockholm, Sweden
2. Wallenberg Wood Science Center, Royal Institute of Technology (KTH), 100 44 Stockholm, Sweden
3. York Structural Biology Laboratory, Department of Chemistry, University of York, Heslington, York YO10 5DD, United Kingdom
4. Swetree Technologies AB, P.O. Box 4095, 904 03 Umeå, Sweden