1. Division of Informatics for Natural Science, Graduate School of Human Informatics, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601
2. Division of Applied Physics, Graduate School of Engineering, Hokkaido University, 13 Kita, 8 Nishi, Kita-ku, Sapporo 060-8628
3. Department of Complex Systems Science, Graduate School of Informatic Science, Nagoya University, Furo-cho, Chikusa-ku, Nagoya 464-8601