1. RIKEN Center for
Sustainable Resource Science, Wako, Saitama 351-0198, Japan
2. Division
of Cell Recognition Study, Institute of Molecular Biomembrane and
Glycobiology, Tohoku Medical and Pharmaceutical University, Sendai 981-8558, Japan
3. Division
of Molecular and Cellular Oncology, Miyagi Cancer Center Research Institute, Natori 981-1293, Japan