1. Chair Professor, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong; and Visiting Professor, School of Built Environment, Faculty of Design, Architecture and Building, Univ. of Technology, Sydney, Australia.
2. Research Student, Dept. of Building and Real Estate, Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.
3. Professor, School of Urban Development, Queensland Univ. of Technology, 2 George St., Brisbane, Queensland 4000, Australia (corresponding author).