1. Ph.D. Candidate, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, Berkeley, CA 94720-1710.
2. Taisei Professor of Civil Engineering and Director of the Pacific Earthquake Engineering Research Center, Dept. of Civil and Environmental Engineering, Univ. of California, Berkeley, Berkeley, CA 94720-1710; Tsinghua-Berkeley Shenzhen Institute, Berkeley, CA 94704 (corresponding author). ORCID: .