1. Natural Science Center for Basic Research and Development, Hiroshima University, 1-3-1, Kagamiyama, Higashi-Hiroshima, Hiroshima 739-8530, Japan
2. Chemio Co. Ltd, 3-30, Minami Shinta-cho, Kochi 781-8005, Japan
3. SOKEN, Inc., 500-20, Minamiyama, Komenoki-cho, Nissin, Aichi 470-011, Japan
4. Tsuchiya Co. Ltd, 9-29, Kamimaezu 2-chome, Naka-ku, Nagoya 460-8330, Japan
5. GF Innovation Ltd, 2235-7, Shimoona, Mikkabi-cho, Kita-ku, Hamamatsu, Shizuoka 431-1424, Japan
6. Toyota Motor Corporation, 1, Toyota-cho, Toyota, Aichi 471-8571, Japan