1. Assistant Professor, Division of Building Science and Technology, City Univ. of Hong Kong, Hong Kong (corresponding author).
2. Research Fellow, Dept. of Civil and Architectural Engineering, City Univ. of Hong Kong, Hong Kong.
3. Professor, Dept. of Civil and Mechanical Engineering, Curtin Univ., Perth, Western Australia 6102, Australia.
4. Professor, Dept. of Civil and Architectural Engineering, City Univ. of Hong Kong, Hong Kong.