Matsuoka, Akira
Toyone, Tomoaki
Okano, Ichiro
Kudo, Yoshifumi
Ishikawa, Koji
Maruyama, Hiroshi
Ozawa, Tomoyuki
Shirahata, Toshiyuki
Inagaki, Katsunori
Article History
Received: 19 April 2022
Accepted: 28 June 2022
First Online: 5 July 2022
Declarations
:
: Ethical approval was obtained for this retrospective study (Showa University Ethics Committee, Approval No. 2020–3032). The study was conducted in accordance with the Declaration of Helsinki. The requirement for informed consent from each patient was waived by the Showa University Ethics Committee because of the retrospective and anonymous nature of this study. All methods in this study were performed in accordance with the STROBE guideline for observational studies.
: Not applicable.
: The authors declare that they have no competing interests.