1. Research Associate, Ph.D., Univ. of Colorado Boulder, Dept. of Civil, Environmental and Architectural Engineering, UCB 428, Boulder, CO 80309, US, e-mail: coccia@colorado.edu
2. Associate Professor, Ph.D., Univ. of California San Diego, Dept. of Structural Engineering, 9500 Gilman Dr., La Jolla, CA 92093-0085, US, e-mail: mccartney@ucsd.edu