Tsutsumi, Masahiro
Nimura, Akimoto
Utsunomiya, Hajime
Kudo, Shintarou
Akita, Keiichi
Funding for this research was provided by:
Japan Society for the Promotion of Science (JP 19K18488)
JA Kyosai Research Institute (Agricultural Cooperative Insurance Research Institute, Agricultural Cooperative Insurance Research Institute)
Article History
Received: 30 August 2021
Accepted: 15 November 2021
First Online: 24 November 2021
Competing interests
: The authors declare no competing interests.