1. Department of Computer Science, Graduate School of Information Science and Technology, University of Tokyo, Tokyo, Japan.
2. Department of Electrical Engineering and Bioscience, Faculty of Science and Engineering, Waseda University, Tokyo, Japan.
3. Artificial Intelligence Research Center (AIRC), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan.
4. Computational Bio Big-Data Open Innovation Laboratory (CBBD-OIL), National Institute of Advanced Industrial Science and Technology (AIST), Tokyo, Japan.
5. Institute for Medical-Oriented Structural Biology, Waseda University, Tokyo, Japan.
6. Graduate School of Medicine, Nippon Medical School, Tokyo, Japan.