1. Assistant Professor, Dept. of Civil Engineering, McMaster Univ., 1280 Main St. West, Hamilton, ON Canada L8S 4L7 (corresponding author).
2. Professor Emeritus and Research Director, The Alan G. Davenport Wind Engineering Group, Dept. of Civil and Environmental Engineering, The Univ. of Western Ontario, London, ON Canada N6A 5B8.
3. Professor, Dept. of Civil and Environmental Engineering, The Univ. of Western Ontario, London, ON Canada N6A 5B8.