1. Department of Pathology, Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto 390-8621, Japan.
2. Department of Laboratory Medicine, Shinshu University School of Medicine, Asahi 3-1-1, Matsumoto 390-8621, Japan.
3. Institute of Organ Transplants, Reconstructive Medicine and Tissue Engineering, Shinshu University Graduate School of Medicine, Asahi 3-1-1, Matsumoto 390-8621, Japan.
4. Glycobiology Program, Cancer Research Center, The Burnham Institute, 10901 North Torrey Pines Road, La Jolla, CA 92037, USA.