1. Aurecon Hongkong Limited, Suite 2205-6, 22/F, Island Place Tower, 510 King's Rd., North Point, Hong Kong; formerly, Graduate Research Assistant, Dept. of Civil & Environmental Engineering, Univ. of Delaware, Newark, DE 19716.
2. Associate Professor, Dept. of Civil & Environmental Engineering, Univ. of Delaware, Newark, DE 19716 (corresponding author).