Ohira, Masahiro http://orcid.org/0000-0002-1935-6125
Watanabe, Yasuhiro
Yamaguchi, Takashi
Saiki, Atsuhito
Nakamura, Shoko
Tanaka, Shou
Shimizu, Naomi
Nabekura, Taiki
Oshiro, Takashi
Tatsuno, Ichiro
Article History
Received: 21 October 2020
Accepted: 19 January 2021
First Online: 28 January 2021
Compliance with ethical standards
:
: The authors declare that they have no competing interests.
: All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional) and/or with the Helsinki Declaration of 1964 and later versions. The protocol of the study was approved by the Ethics Committee of Toho University Sakura Medical Center (approval date; 28 November 2018, approval No.; S18061).
: Although this was a retrospective study, patients were individually explained the issues relating to the use and release of the study data before the operation. Written consent was obtained in each case.