Iyama, Ayumi
Nakaura, Takeshi
Iyama, Yuji
Kidoh, Masafumi
Nagayama, Yasunori
Oda, Seitaro
Utsunomiya, Daisuke
Namimoto, Tomohiro
Morita, Kosuke
Yuba, Koji
Yamashita, Yasuyuki
Article History
Received: 23 March 2018
Revised: 11 August 2018
Accepted: 28 August 2018
First Online: 25 September 2018
Compliance with ethical standards
:
: The scientific guarantor of this publication is Takeshi Nakaura.
: Yuba Koji declares a relationship with the following company: Nemoto Kyorindo; however he did not analyse and control the data or evaluate the results.The other authors declare no relationships with any companies whose products or services may be related to the subject matter of the article.
: One of the authors (Takeshi Nakaura) has significant statistical expertise.
: Written informed consent was waived by the Institutional Review Board.
: Institutional Review Board approval was obtained.
: • Retrospective• Observational• Performed at one institution