1. Key Laboratory of Marine Drugs, Ministry of Education and Qingdao National Laboratory for Marine Science & Technology and Shandong Provincial Key Lab of Glycoscience & Glycoengineering, School of Medicine and Pharmacy; Ocean University of China; 5 Yushan Road Qingdao 266003 China
2. Department of Molecular Medicine; The Scripps Research Institute; 10550 N. Torrey Pines Road La Jolla CA 92037 USA
3. Complex Carbohydrate Research Center and Department of, Biochemistry and Molecular Biology; University of Georgia; 315 Riverbend Road Athens GA 30602 USA
4. Department of Pharmacology, School of Pharmacy; Qingdao University; 38 Dengzhou Road Qingdao 266021 China