Otaki, Yoichiro
Watanabe, Tetsu
Konta, Tsuneo
Watanabe, Masafumi
Asahi, Koichi
Yamagata, Kunihiro
Fujimoto, Shouichi
Tsuruya, Kazuhiko
Narita, Ichiei
Kasahara, Masato
Shibagaki, Yugo
Iseki, Kunitoshi
Moriyama, Toshiki
Kondo, Masahide
Watanabe, Tsuyoshi
Article History
Received: 21 June 2019
Accepted: 11 August 2020
First Online: 31 August 2020
Competing interests
: The authors declare no competing interests.