1. Graduate School of Engineering, Kyoto University, Kyoto 615-8510, Japan, CREST, JST, Saitama 332-0012, Japan, Mitsubishi Kagaku Institute of Life Sciences, Tokyo 194-8511, Japan, Bruker Biospin K.K., Kanagawa 221-0022, Japan, Graduate School of Medicine, Kobe University, Hyogo 650-0017, Japan, Faculty of Bioscience and Biotechnology, Tokyo Institute of Technology, Kanagawa 226-8501, Japan, and RIKEN, Yokohama Institute, Kanagawa 230-0045, Japan