1. Postdoc, Dept. of Civil Engineering and Engineering Mechanics, Columbia Univ., 610 Seeley W. Mudd 500 West 120th St., NY 10027.
2. Assistant Professor, Dept. of Applied Mechanics, China Agricultural Univ., 301 Yifu Building 17 Qinghua East Rd., Beijing 100083, China (corresponding author).
3. Associate Professor, Dept. of Civil Engineering and Engineering Mechanics, Columbia Univ., 610 Seeley W. Mudd 500 West 120th St., NY 10027. ORCID: .