1. Research Engineer, General Electric Jack Welch Research Center, Bangalore, India; formerly, Graduate Research Assistant, General Electric Jack Welch Research Center.
2. Graduate Research Assistant, Dept. of Civil and Environmental Engineering, Univ. of Waterloo, Waterloo, Ontario, Canada.
3. Structual Engineer, Arup, Suite 2400, 2 Bloor St. East, Toronto, Ontario, Canada M4W 1A8; formerly, Graduate Research Assistant, Arup.
4. Assistant Professor, Dept. of Civil and Environmental Engineering, 200 University Ave. W., Univ. of Waterloo, Waterloo, Ontario, Canada, N2L 3G1 (corresponding author).