1. Professor and Associate Head, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
2. Lecturer I, College of International Education, School of Continuing Education, Hong Kong Baptist Univ.; formerly, Postdoctoral Fellow, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China (corresponding author).
3. Research Student, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong, China.
4. Professor, Dept. of Construction Management, Tsinghua Univ., Beijing, China.
5. Research Fellow, Dept. of Building, National Univ. of Singapore, 4 Architecture Drive, Singapore 117566; formerly, Dept. of Construction Management, Tsinghua Univ., Beijing, 100084, China.