1. Dept. of Building, Civil and Environmental Engineering, Concordia Univ., 1515 Sainte-Catherine St. West, Montreal, QC, Canada H3G 2W1.
2. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Wisconsin-Madison, Madison, WI 53706.
3. Professor, Concordia Institute for Information Systems Engineering, Concordia Univ., 1515 Sainte-Catherine St. West, Montreal, QC, Canada H3G 2W1 (corresponding author).