1. NIHON UNIVERSITY, Graduate School of Science and Technology(1-8-14, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8308, Japan)
2. NIHON UNIVERSITY, Department of Civil Engineering(1-8-14, Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8308, Japan)
3. NIHON UNIVERSITY, Department of Liberal Education(7-24-1, Narashinodai, Funabashi-shi, Chiba 274-8501, Japan)