1. PhD, Assistant Professor, and Qualified Building Surveyor, Dept. of Building and Real Estate, The Hong Kong Polytechnic Univ., Hung Hom, Kowloon, Hong Kong.
2. PhD, Principle Lecturer, Division of Building Science and Technology, City Univ. of Hong Kong, Tat Chee Ave., Kowloon Tong, Kowloon, Hong Kong.
3. PhD, Associate Professor and Qualified Building Surveyor, Dept. of Building and Construction, City Univ. of Hong Kong, Tat Chee Ave., Kowloon Tong, Kowloon, Hong Kong (corresponding author).
4. Professor, School of Mathematics and Statistics, Wuhan Univ., Wuhan 430072, China.