Imachi, Hiroyuki
Nobu, Masaru K.
Nakahara, Nozomi
Morono, Yuki
Ogawara, Miyuki
Takaki, Yoshihiro
Takano, Yoshinori
Uematsu, Katsuyuki
Ikuta, Tetsuro
Ito, Motoo
Matsui, Yohei
Miyazaki, Masayuki
Murata, Kazuyoshi
Saito, Yumi
Sakai, Sanae
Song, Chihong
Tasumi, Eiji
Yamanaka, Yuko
Yamaguchi, Takashi
Kamagata, Yoichi
Tamaki, Hideyuki
Takai, Ken
Article History
Received: 6 August 2019
Accepted: 5 December 2019
First Online: 15 January 2020
Competing interests
: The authors declare no competing interests.