1. Postdoctoral Fellow, Dept. of Civil and Environmental Engineering, Univ. of Western Ontario, London ON, Canada N6A 5B9.
2. Professor, Dept. of Mechanical and Manufacturing Engineering, Univ. of Calgary, 2500 University Dr. NW, Calgary AB, Canada T2N 1N4.
3. Professor, Dept. of Civil and Environmental Engineering, Univ. of Western Ontario, London ON, Canada N6A 5B9.