1. Assoc. Prof., PhD, Dept. of Civ. Engrg., Tsinghua Univ., Beijing, 100084 China.
2. Assoc. Prof., PhD, Dept. of Constr. and Environment, Iwate Univ., 020, Japan.
3. Prof., Dept. of Civ. Engrg., Xi'an Jiaotong Univ., Xi'an, 710049, China.
4. Assoc. Prof., PhD, Dept. of Build. and Real Estate, Hong Kong Polytechnic Univ., Hong Kong.
5. Prof., PhD, Dept. of Constr. and Environment, Iwate Univ., Morioka, 020, Japan.