1. Department of Civil and Coastal Engineering, University of Florida, 365 Weil Hall, P.O. Box 116580, Gainesville, FL 32608
2. Department of Civil, Architectural, and Environmental Engineering, University of Texas at Austin, 1 University Station C1761, Austin, TX 78712-0278
3. Department of Civil and Environmental Engineering, Rensselaer Polytechnic Institute, 4030 Jonsson Engineering Center, 110 Eighth Street, Troy, NY 12180-3590