1. Takenaka Corporation
2. Graduate School of Shinshu University
3. Dept. of Archi. and Civil Eng., Faculty of Eng., Shinshu University,
4. Technical Assistant, Dept. of Archi. and Civil Eng., Faculty of Eng., Shinshu University
5. Dept. of Archi. and Civil Eng., Faculty of Eng., Shinshu University
6. Nagano Prefectural Institute of Public Health