1. Assistant Professor, Dept. of Civil Engineering and Construction Management, California State Univ., Long Beach, CA 90840.
2. Ph.D. Student, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of Virginia, Charlottesville, VA 22903.
4. Assistant Professor, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695.