1. Ph.D. Candidate (Joint Program), Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China; and Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., 11 Yuk Choi Rd., Hung Hom, Kowloon, Hong Kong, China (corresponding author).
2. Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., 11 Yuk Choi Rd., Hung Hom, Kowloon, Hong Kong, China.
3. Professor, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., 1239 Siping Rd., Shanghai 200092, China.