1. Department of Physiology, The University of Tokyo School of Medicine, Tokyo 113-0033, Japan.
2. Core Research for Evolutional Science and Technology (CREST), Japan Science and Technology Agency, Saitama, Japan.
3. Department of Physics, The University of Tokyo School of Science, Tokyo 113-0033, Japan.
4. Department of Traditional Chinese Medicine, Xuanwu Hospital of Capital Medical University, Beijing 100053, China.