Nagayama, Yasunori http://orcid.org/0000-0003-3280-7346
Tanoue, Shota
Inoue, Taihei
Oda, Seitaro
Nakaura, Takeshi
Utsunomiya, Daisuke
Yamashita, Yasuyuki
Article History
Received: 17 April 2019
Revised: 30 May 2019
Accepted: 21 June 2019
First Online: 16 July 2019
Compliance with ethical standards
:
: The scientific guarantor of this publication is Yasuyuki Yamashita.
: The authors of this manuscript declare no relationships with any companies.
: 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