1. Department of Chemistry and Molecular Biology and Wallenberg Centre for Molecular and Translational Medicine, University of Gothenburg, Gothenburg, Sweden 405 30
2. Biomedical Chemistry Institute, Department of Chemistry, New York University, 100 Washington Square East, Room 1001, New York, New York 10003, United States
3. Department of Chemistry, University of Alberta, Edmonton, Canada, T6G 2G2
4. Department of Biochemistry, Glycomics Center, School of Medicine, Emory University, Atlanta, Georgia 30322, United States
5. Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02115, United States