Kimura, Tsubasa
Takasaki, Mihiro
Hatai, Ryosuke
Nagai, Yukiko
Uematsu, Katsuyuki
Oaki, Yuya
Osada, Minoru
Tsuda, Hiroyuki
Ishigure, Takaaki
Toyofuku, Takashi
Shimode, Shinji
Imai, Hiroaki
Article History
Received: 15 November 2019
Accepted: 10 January 2020
First Online: 10 February 2020
Competing interests
: The authors declare no competing interests.