1. Assistant Professor, Dept. of Civil Engineering, Univ. of Engineering and Technology Lahore, Lahore, Pakistan; formerly, Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1.
2. Deceased September 17, 2013; formerly, Professor and Canada Research Chair, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1.
3. Associate Professor, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, ON, Canada N2L 3G1.
4. Assistant Professor, Dept. of Civil Engineering, Univ. of Ottawa, Ottawa, ON, Canada K1N 6N5 (corresponding author). ORCID: .