1. Department of Biochemistry, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
2. 21st COE (Center of Excellence) Program, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
3. CREST (Core Research for Evolutionary Science and Technology), JST (Japan Science and Technology Agency), Kawaguchi 332-0012, Japan
4. Department of Glycotherapeutics, Osaka University Graduate School of Medicine, Osaka, 565-0871, Japan
5. Department of Disease Glycomics, Research Institute for Microbial Diseases, Osaka University, Japan