Department of Computational Biology, Faculty of Frontier Science, The University of Tokyo, Chiba 277-8561, Japan. kiryu-h@k.u-tokyo.ac.jp|Department of Computational Biology, Faculty of Frontier Science, The University of Tokyo, Chiba 277-8561, Japan. kiryu-h@k.u-tokyo.ac.jp|Department of Computational Biology, Faculty of Frontier Science, The University of Tokyo, Chiba 277-8561, Japan. kiryu-h@k.u-tokyo.ac.jp|Department of Computational Biology, Faculty of Frontier Science, The University of Tokyo, Chiba 277-8561, Japan. kiryu-h@k.u-tokyo.ac.jp|Department of Computational Biology, Faculty of Frontier Science, The University of Tokyo, Chiba 277-8561, Japan. kiryu-h@k.u-tokyo.ac.jp|Department of Computational Biology, Faculty of Frontier Science, The University of Tokyo, Chiba 277-8561, Japan. kiryu-h@k.u-tokyo.ac.jp