Tamai, Toshikatsu
Mizukoshi, Eishiro
Kumagai, Masashi
Terashima, Takeshi
Iida, Noriho
Kitahara, Masaaki
Shimakami, Tetsuro
Kitamura, Kazuya
Arai, Kuniaki
Yamashita, Taro
Sakai, Yoshio
Yamashita, Tatsuya
Honda, Masao
Fushimi, Kazumi
Kaneko, Shuichi
Article History
Received: 19 November 2019
Accepted: 12 February 2020
First Online: 4 March 2020
Competing interests
: The authors declare no competing interests.