1. Assistant Professor, School of Civil Engineering and Architecture, Nanchang Univ., Jiangxi 330031, China.
2. Professor, Dept. of Management and Real Estate, School of Economics and Management, Tongji Univ., 9F, Tongji A Plaza, 1 Zhangwu Rd., Shanghai 200092, China.
3. E.I. Clancy Distinguished Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695 (corresponding author).
4. Ph.D. Student, Dept. of Construction Management and Real Estate, School of Economics and Management, Tongji Univ., Level 9, Tongji Bldg. Block A, No. 1 Zhangwu Rd., Shanghai 200092, China.