Sugawara, Haruto
Suzuki, Shigeru
Katada, Yoshiaki
Ishikawa, Takuya
Fukui, Rika
Yamamoto, Yuzo
Abe, Osamu
Article History
Received: 4 July 2018
Revised: 5 August 2018
Accepted: 16 August 2018
First Online: 12 September 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Shigeru Suzuki.
: 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• performed at one institution