1. Postdoctoral Fellow, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.
2. Chair Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong (corresponding author).
3. Professor, School of Urban Development, Queensland Univ. of Technology, 2 George St., GPO Box 2434, Brisbane Qld 4001, Australia.
4. Adjunct Associate Professor, Div. of Research, Southern Cross Univ., Coolangatta Qld 4225, Australia.