Sato, Seijiro
Nakamura, Atsuhiro
Shimizu, Yuki
Goto, Tatsuya
Kitahara, Akihiko
Koike, Terumoto
Okamoto, Takeshi
Tsuchida, Masanori
Article History
Received: 23 February 2018
Accepted: 29 August 2018
First Online: 1 September 2018
Compliance with ethical standards
:
: All the authors have declared no competing interest.