1. Bioinformatics Research Unit, Advanced Center for Computing and Communication, RIKEN, Wako, Saitama, Japan
2. Department of Computational Biology and Medical Sciences, Faculty of Frontier Sciences, The University of Tokyo, Kashiwa, Chiba, Japan
3. Quantitative Biology Center (QBiC), RIKEN, Suita, Osaka, Japan
4. Universal Biology Institute, The University of Tokyo, Bunkyo-ku, Tokyo, Japan
5. Department of Systems Medicine, Keio University School of Medicine, Tokyo, Japan