1. Assistant Professor, Dept. of Real Estate and Construction, Faculty of Architecture, Univ. of Hong Kong, Pokfulam, Hong Kong (corresponding author).
2. Ph.D. Candidate, Dept. of Real Estate and Construction, Faculty of Architecture, Univ. of Hong Kong, Pokfulam, Hong Kong.
3. Professor, School of Construction Management and Engineering, Univ. of Reading, Reading RG6 6AW, U.K.
4. Professor, Faculty of Construction Management and Real Estate, Chongqing Univ., Chongqing 400045, China.