1. Assistant Professor, Dept. of Civil, Structural and Environmental Engineering, Univ. at Buffalo, Buffalo, NY 14260 (corresponding author).
2. Senior Associate, Research and Development, Walter P Moore and Associates, Austin, TX 78701; formerly, Postdoctoral Researcher, Dept. of Civil Engineering, Univ. of Texas, Austin, TX 78712.
3. Staff II—Structures, Simpson Gumpertz & Heger Inc., 41 Seyon St. Bldg. 1, Suite 500, Waltham, MA 02453; formerly, Ph.D. Student, Dept. of Structural Engineering, Univ. of California, San Diego, La Jolla, CA 92093.
4. Professor, Dept. of Structural Engineering, Univ. of California, San Diego, La Jolla, CA 92093.
5. Professor Emeritus, Dept. of Civil Engineering, Univ. of Texas, Austin, TX 78712.
6. Professor and Dean of Engineering, Dept. of Civil and Environmental Engineering, Colorado State Univ., Fort Collins, CO 80523.