1. Molecular & Cellular Glycoproteomics Research Group, Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science & Technology, Tsukuba, Ibaraki 305-8565, Japan
2. Precision System Science, Kamihongou, Matsudo, Chiba 271-0064, Japan
3. Graduate School of Integrated Sciences for Life, Hiroshima University, Kagamiyama 1-4-4, Higashi-Hiroshima 739-7528, Japan