1. Assistant Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
2. Professor and Associate Head, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
3. Associate Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
4. Postdoctoral Fellow, Dept. of Civil Engineering, Univ. of Hong Kong, Pokfulam Rd., Hong Kong, China (corresponding author).