1. Earthquake Research Institute, The University of Tokyo, Tokyo, Japan
2. Earthquake Disaster Mitigation Research Division, National Research Institute for Earth Science and Disaster Resilience, Tsukuba, Japan
3. Graduate School of Environmental Studies, Nagoya University, Nagoya, Japan
4. Structural Engineering Division, Nikken Sekkei Ltd, Tokyo, Japan
5. Graduate School of Engineering, Hiroshima University, Hiroshima, Japan