Kato, Hiroki
Nagatomo, Hideo
Nakai, Mitsuo
Sakaiya, Tatsuhiro
Terasaki, Hidenori
Kondo, Tadashi
Hironaka, Yoichiro
Shimizu, Katsuya
Shigemori, Keisuke
Article History
Received: 9 November 2019
Accepted: 12 May 2020
First Online: 2 June 2020
Competing interests
: The authors declare no competing interests.