Yasufuku, Itaru
Ohashi, Manabu http://orcid.org/0000-0001-7417-3682
Eto, Kojiro
Ida, Satoshi
Kumagai, Koshi
Nunobe, Souya
Sano, Takeshi
Hiki, Naoki
Article History
Received: 29 March 2019
Accepted: 24 December 2019
First Online: 16 January 2020
Compliance with ethical standards
:
: Itaru Yasufuku, Manabu Ohashi, Kojiro Eto, Satoshi Ida, Koshi Kumagai, Souya Nunobe, Takeshi Sano, and Naoki Hiki have no conflicts of interest or financial ties to disclose.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. As this study was a retrospective study and did not include any potentially identifiable patient data. The institutional review board gave the ethics approval for this retrospective study.
: Informed consent to be included in the study was not obtained from the enrolled patients.