Yokohama, Keisuke
Asai, Akira
Matsui, Masahiro
Okamoto, Norio
Yasuoka, Hidetaka
Nishikawa, Tomohiro
Ohama, Hideko
Tsuchimoto, Yusuke
Inoue, Yoshihiro
Fukunishi, Shinya
Uchiyama, Kazuhisa
Higuchi, Kazuhide
Article History
Received: 8 March 2020
Accepted: 20 July 2020
First Online: 2 September 2020
Competing interests
: The authors declare no competing interests.