1. College of Architecture and Environmental Design, Kanto Gakuin University, 1-50-1 Mutsuurahigashi, Kanazawa-ku, Yokohama City, Kanagawa 236-8501, Japan
2. Technology Department, Sekisui House Ltd., 4-15-1 Akasaka, Minato-ku, Tokyo 107-0052, Japan
3. Comprehensive Housing R&D Institute, Sekisui House Ltd., 6-6-4 Kabutodai Kizugawa, Kyoto 619-0224, Japan