Yajima, Shugo
Yoshida, Soichiro
Takahara, Taro
Arita, Yuki
Tanaka, Hiroshi
Waseda, Yuma
Yokoyama, Minato
Ishioka, Junichiro
Matsuoka, Yoh
Saito, Kazutaka
Kihara, Kazunori
Fujii, Yasuhisa
Article History
Received: 28 October 2018
Revised: 13 February 2019
Accepted: 19 February 2019
First Online: 19 March 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Soichiro Yoshida.
: The authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.
: No complex statistical methods were necessary for this paper.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • retrospective• observational• performed at one institution