1. Department of Chemistry, York Structural Biology Laboratory, The University of York, Heslington, York YO10 5DD, UK
2. School of Chemistry and Biochemistry, The University of Western Australia, Crawley, Western Australia 6009, Australia
3. Division of Glycoscience, School of Biotechnology, Royal Institute of Technology (KTH), AlbaNova University Centre, 106 91 Stockholm, Sweden
4. Michael Smith Laboratories and Department of Chemistry, University of British Columbia, 2185 East Mall, Vancouver, British Columbia, Canada V6T 1Z4
5. Wallenberg Wood Science Center, Royal Institute of Technology (KTH), Teknikringen 56–58, 100 44 Stockholm, Sweden
6. The Walter and Eliza Hall Institute of Medical Research, 1G Royal Parade, Parkville Victoria 3052, Australia