1. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Hawaii at Manoa, 2540 Dole St., Holmes 383, Honolulu, HI 96822 (corresponding author).
2. Graduate Student, Dept. of Civil and Environmental Engineering, Univ. of Hawaii at Manoa, 2540 Dole St., Holmes 383, Honolulu,HI 96822.
3. Associate Professor, Division of Business and Engineering, Pennsylvania State Univ., 103B Sheetz Family Health Center, Penn State Altoona, Altoona, PA 16601.
4. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Houston, N132 Engineering Building. 1, Houston, TX 77204-4003.