1. Post-Doctoral Fellow, Dept. of Civ. Engrg. and Engrg. Mechanics, McMaster Univ., Hamilton, Ontario, Canada
2. Prof. Dept. of Civ. Engrg. and Engrg. Mechanics, McMaster Univ., Hamilton, Ontario, Canada
3. Assoc. Prof. Dept. of Civ. Engrg. and Engrg. Mechanics, McMaster Univ., Hamilton, Ontario, Canada