1. Ph.D. Student, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hung Hom 999077, Hong Kong SAR.
2. Assistant Professor, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hung Hom 999077, Hong Kong SAR (corresponding author).
3. Associate Professor, Dept. of Civil and Structural Engineering, Hong Kong Polytechnic Univ., Hung Hom 999077, Hong Kong SAR.
4. Assistant Professor, Dept. of Building, School of Design and Environment, National Univ. of Singapore, 4 Architecture Drive, Singapore 117566.