1. Department of Semiconductor Electronics, The Institute of Scientific and Industrial Research, Osaka University, Ibaraki Osaka 567-0047, Japan
2. Department of Infectious Diseases, Graduate School of Medical Science, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
3. Department of Functional Glycomics, Life Science Research Center, Kagawa University, Miki-cho, Kagawa 761-0793, Japan