1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94720-1710.
2. Ph.D. Student, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
3. Assistant Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, CA 94720-1710 (corresponding author).
4. Professor, Dept. of Civil and Environmental Engineering, Univ. of California, Davis, CA 95616.
5. Postdoctoral Researcher, Dept. of Structural Engineering, Univ. of California, San Diego, CA 92131.
6. Ph.D. Student, Dept. of Structural Engineering, Univ. of California, San Diego, CA 92131.
7. Professor, Dept. of Structural Engineering, Univ. of California, San Diego, CA 92131.