1. Lecturer, School of Civil Engineering and Built Environment, Queensland Univ. of Technology, 2 George St., Brisbane, QLD, Australia; formerly, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China (corresponding author).
2. Professor and Associate Head, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
3. Lecturer I, College of International Education, School of Continuing Education, Hong Kong Baptist Univ., Shek Mun, N.T.