Kaneko, Hidehiro
Itoh, Hidetaka
Kiriyama, Hiroyuki
Kamon, Tatsuya
Fujiu, Katsuhito
Morita, Kojiro
Michihata, Nobuaki
Jo, Taisuke
Takeda, Norifumi
Morita, Hiroyuki
Yasunaga, Hideo
Komuro, Issei
Article History
Received: 10 September 2020
Accepted: 2 November 2020
First Online: 12 November 2020
Competing interests
: The authors declare no competing interests.