1. Postdoctoral Research Associate, Dept. of Civil, Construction, and Environmental Engineering, North Carolina State Univ., Raleigh, NC 27695.
2. Associate Professor, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22904 (corresponding author).
3. Associate Professor, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22904.
4. Associate Professor, Dept. of Civil, Structural, and Environmental Engineering, SUNY-Buffalo, Buffalo, NY 14260.