Sato, Reo http://orcid.org/0000-0002-2841-0728
Kinoshita, Takahiro http://orcid.org/0000-0001-7365-8733
Akimoto, Eigo
Yoshida, Mitsumasa
Nishiguchi, Yukiko
Harada, Junichiro
Article History
Received: 2 July 2020
Accepted: 29 December 2020
First Online: 15 January 2021
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures were conducted in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Declaration of Helsinki of 1964 and later versions. The study was approved by the domestic institutional review board at our center (IRB file no. 2017-416; approval date, March 2, 2018).
: The opportunity for patients to opt out was provided; however, the requirement for obtaining informed consent was waived because of a retrospective study.
: The opportunity for patients to opt out was provided; however, the requirement for obtaining informed consent was waived because of a retrospective study.
: Not applicable.