1. Assistant Professor, Dept. of Real Estate and Construction, Univ. of Hong Kong, Pokfulam, Hong Kong (corresponding author).
2. Postdoctoral Fellow, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Hong Kong.
3. Professor, School of Construction Management and Engineering, Univ. of Reading, Reading RG6 6AW, UK.
4. Research Fellow, School of Construction Management and Engineering, Univ. of Reading, Reading RG6 6AW, UK.