1. Department of Molecular Medicine The Scripps Research Institute La Jolla CA 92037 USA
2. Tianjin Medical University Cancer Institute & Hospital Key laboratory of Breast Cancer Prevention and Therapy School of Medicine Nankai University Tianjin 300071 China
3. Department of Chemistry and Institutes of Biomedical Sciences The Fifth People's Hospital Fudan University Shanghai 200433 China
4. College of Chemistry and Molecular Engineering Beijing University Beijing 100871 China
5. Complex Carbohydrate Research Center University of Georgia Athens GA 30602 USA
6. Department of Chemistry University of Alberta 11227 Saskatchewan Dr NW Edmonton, AB T6G 2G2 Alberta Canada
7. Copenhagen Center for Glycomics Department of Cellular and Molecular Medicine University of Copenhagen Copenhagen Denmark