1. Assistant Professor, Graduate School of Agricultural Science, Kobe Univ., 1-1 Rokkodai-cho, Nada-ku, Kobe-shi, Hyogo 657-8501, Japan.
2. Professor, Graduate School of Agricultural Science, Kobe Univ., 1-1 Rokkodai-cho, Nada-ku, Kobe-shi, Hyogo 657-8501, Japan (corresponding author). ORCID: .
3. Professor, Dept. of Civil Engineering and Engineering Mechanics, Columbia Univ., 500 West 120th St., New York, NY 10027.
4. Manager, Centrifuge Laboratory, Columbia Univ., 500 West 120th St., MC4709 151 Engineering Terrace, New York, NY 10027.
5. Executive Vice President, Kobe Univ., 1-1 Rokkodai-cho, Nada-ku, Kobe-shi, Hyogo 657-8501, Japan.