1. Tokyo University of Science, 1-3 Kagurazaka, Shinjuku-ku, Tokyo 113-8601, Japan
2. Information Technology Center, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-8656, Japan
3. Central Nippon Expressway Company Limited, 2-18-19 Nishiki, Naka-ku, Nagoya, Aichi 460-0003, Japan