1. Ph.D. Candidate, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., Tongji Bldg. A1707, Zhangwu Rd. 1, Shanghai 200092, China; Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Z-Block, Hung Hom, Kowloon 999077, Hong Kong.
2. Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Z-Block, Hung Hom, Kowloon 999077, Hong Kong.
3. Professor, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., Tongji Bldg. A1707, Zhangwu Rd. 1, Shanghai 200092, China (corresponding author).