1. Assistant Professor, Dept. of Civil Engineering, Univ. of Nebraska–Lincoln, Peter Kiewit Institute, Omaha, NE 68182-0178.
2. Associate Professor, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22901.
3. Professor, Dept. of Civil Engineering, Univ. of Virginia, Charlottesville, VA 22901.
4. Graduate Research Associate, Dept. of Civil, Structural, and Environmental Engineering, State Univ. of New York at Buffalo, Buffalo, NY 14260.
5. Associate Professor, Dept. of Civil, Structural, and Environmental Engineering, State Univ. of New York at Buffalo, Buffalo, NY 14260.