1. Lecturer, Faculty of Construction Management and Real Estate, Chongqing Univ., Chongqing 40045, China (corresponding author).
2. Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
3. Associate Professor, Dept. of Civil Engineering, Univ. of Hong Kong, Pokfulam, Hong Kong, China.
4. Associate Professor, Faculty of Construction Management and Real Estate, Chongqing Univ., Chongqing 40045, China.