1. Assoc. Prof., Dept. of Civ. and Struct. Engrg., The Hong Kong Polytechnic Univ., Hong Kong.
2. Former Head, Dept. of Appl. Mathematics, The Hong Kong Polytechnic Univ., Hong Kong.
3. PhD Grad., Dept. of Appl. Mathematics, The Hong Kong Polytechnic Univ., Hong Kong.