1. Ph.D. Student, Durham School of Architectural Engineering and Construction, Univ. of Nebraska–Lincoln, 116 Nebraska Hall, Lincoln, NE 68588.
2. Assistant Professor, Sid and Reva Dewberry Dept. of Civil, Environmental and Infrastructure Engineering, Volgenau School of Engineering, George Mason Univ., 4400 University Dr., MS 6C1, Fairfax, VA 22030-4444 (corresponding author).
3. Nicholas R. Petry Professor, Civil, Environmental and Architectural Engineering Dept., Univ. of Colorado Boulder, ECOT 515, 1111 Engineering Dr., 428 UCB, Boulder, CO 80309.