1. Research Engineer, Research Center, Ando Corp., 1-19-61, Chuou, Ohi-machi, Iruma-gun, Saitama 356-0058, Japan.
2. Senior Research Engineer, Building Research Institute, 1-Tachihara, Tsukuba, Ibaraki 305-0802, Japan.
3. Professor, Dept. of Architecture, Graduate School of Human Environmental Studies, Kyusyu Univ., 6-10-1, Hakozaki, Higashi-ku, Fukuoka-shi 812-8581, Japan.