1. Professor and Interim Dean, Faculty of Construction and Environment, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong Special Administrative Region, China.
2. Associate Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong Special Administrative Region, China.
3. Research Assistant, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong Special Administrative Region, China.
4. Ph.D. Candidate, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong Special Administrative Region, China (corresponding author).
5. Professor, Dept. of Construction Management, Tsinghua Univ., Beijing 100084, China.
6. Lecturer, School of Architecture and Built Environment, Univ. of Newcastle, Callaghan, NSW 2308, Australia.