1. Assistant Professor, Dept. of Civil Engineering and Environmental Sciences, Korea Military Academy, P.O. Box 01805, 574 Hwarang-ro, Seoul, Republic of Korea. ORCID: .
2. Taisei Professor of Civil Engineering, Dept. of Civil and Environmental Engineering, 723 Davis Hall, Univ. of California, Berkeley, CA 94720-1710; Director, Pacific Earthquake Engineering Research (PEER) Center, Univ. of California, Berkeley, CA 94720-1710 (corresponding author). ORCID: .