1. Department of Physics, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522
2. School of Medicine, Kinki University, 377-2, Ohno-Higashi, Osaka-Sayama 589-8511
3. Department of System Engineering, Shizuoka University, 3-5-1, Johoku, Hamamatsu
4. Department of Electrical Engineering, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522
5. “Research for the Future” Project, Faculty of Science and Technology, Keio University, Shin-Kawasaki-Mitsui Building West 3F, 890-12, Kashimada, Saiwai-ku, Kawasaki 211-0958
6. Department of System Design, Faculty of Science and Technology, Keio University, 3-14-1, Hiyoshi, Kohoku-ku, Yokohama 223-8522