1. Associate Professor, Dept. of Architecture and Civil Engineering, City Univ. of Hong Kong, Tat Chee Ave., Kowloon Tong, Hong Kong (corresponding author).
2. Ph.D. Candidate, Dept. of Architecture and Civil Engineering, City Univ. of Hong Kong, Tat Chee Ave., Kowloon Tong, Hong Kong.
3. Lecturer, Dept. of Real Estate and Construction, Univ. of Hong Kong, Pokfulam, Hong Kong.