Yasukawa, Keiji
Ishihara, Yukio
Hirayama, Fumi
Nakanishi, Megumi
Utsumi, Hideo
Koyama, Susumu
Funding for this research was provided by:
Ministry of Education, Culture, Sports, Science and Technology
Article History
Received: 19 March 2020
Accepted: 28 September 2020
First Online: 13 October 2020
Competing interests
: Part of this study was funded by Kyushu Electric Power Co., Inc. as a matching fund of the Creation of Innovation Centers for Advanced Interdisciplinary Research Areas Program from the Ministry of Education, Culture, Sports, Science and Technology.