1. Assistant Professor, Division of Building Science and Technology, City Univ. of Hong Kong, Tat Chee Ave., Hong Kong SAR (corresponding author).
2. John Curtin Distinguished Professor, Dept. of Civil Engineering, Curtin Univ., Perth, WA 6102, Australia.
3. Professor, Birmingham School of the Built Environment, Birmingham City Univ., Birmingham B4 7XG, U.K.
4. Research Associate, Dept. of Civil Engineering, Curtin Univ., Perth, WA 6102, Australia.