1. Professor, Dept. of Civil and Disaster Prevention Engineering, National United Univ., No. 2, Lien Da, Miao-Li 360, Taiwan (corresponding author).
2. Chief of Cardiovascular Surgery, Division of Cardiovascular Surgery, Dept. of Surgery, Lin Shin Hospital, No. 36, Sec. 3, Huizhong Rd., Nantun Dist, Tai-Chung City 408, Taiwan.
3. Substitute Staff, Construction Section, Toufen City Office, No. 232, Zhongshan Rd., Toufen City, Miao-Li County 351, Taiwan.