1. Postdoctoral Scholar, Dept. of Civil and Environmental Engineering and Construction, Univ. of Nevada, Las Vegas, Las Vegas, NV 89154.
2. Assistant Professor, Dept. of Construction Management, Univ. of Houston, 4734 Calhoun Rd. #111, Houston, TX 77204-4020.
3. Assistant Professor, Dept. of Civil and Environmental Engineering and Construction, Univ. of Nevada, Las Vegas, Las Vegas, NV 89154 (corresponding author).
4. Associate Professor, School of Civil and Environmental Engineering, Georgia Institute of Technology, 790 Atlantic Dr. N.W., Atlanta, GA 30332-0355.