1. Formerly, Research Assistant, Dept. of Building, Civil and Environmental Engineering, Concordia Univ., 1455 Blvd. de Maisonneuve W, Montreal, QC, Canada H3G 1M8.
2. Professor, Construction and Real Estate, Dept. of Building and Real Estate, Faculty of Construction and Environment, Hong Kong Polytechnic Univ., ZN728, Hung Hom, Kowloon, Hong Kong.
3. Professor, Dept. of Civil and Architectural Engineering, Qatar Univ., P.O. Box 2713, Doha, Qatar (corresponding author).