1. Ph.D. Candidate, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hong Kong 999077, China.
2. Chair Professor of Construction Management, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hong Kong 999077, China (corresponding author).
3. Assistant Professor, Dept. of Building, School of Design and Environment, National Univ. of Singapore, Singapore 117566.
4. Assistant Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hong Kong 999077, China.
5. Assistant Professor, School of Management Science and Engineering, Central Univ. of Finance and Economics, Beijing 100081, China.