1. Department of Environmental Science, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamihara, Kanagawa 252-5201
2. Eco-Materials Co., 2-1-2 Minamikyuhoujimachi, Chuo-ku, Osaka 541-0058
3. Yoshikawa Science Laboratory, 2-27-2 Shin-Sakuragaoka, Hodogaya-ku, Yokohama, Kanagawa 240-0036