1. Department of Civil and Environmental Engineering, Stanford University, 473 Via Ortega, Stanford, California 94305, United States
2. School of Civil and Environmental Engineering, College of Engineering, Cornell University, 220 Hollister Hall, 527 College Ave, Ithaca, New York 14853, United States
3. Carollo Engineers, Inc., 8911 Capital of Texas Hwy North, Suite 2200, Austin, Texas 78759, United States