Noda, Yuri
Ishida, Mitsuaki
Ueno, Yasuhiro
Fujisawa, Takuo
Iwai, Hiroshi
Tsuta, Koji
Article History
Received: 27 October 2021
Accepted: 9 March 2022
First Online: 13 April 2022
Declarations
:
: All procedures performed in this study involving human participants were in accordance with the ethical standards of the institutional research committee and the principles of the 1964 Declaration of Helsinki and its later amendments or comparable ethical standards. This study was approved by the Institutional Review Board of Kansai Medical University Hospital (approval no. 2020289). Informed consent was obtained from the patients through the opt-out methodology owing to the retrospective study design, with no new risk to the participants. Information regarding this study, such as the inclusion criteria and the option to opt-out, was provided on the hospital’s website.
: Not applicable.
: The authors declare that they have no competing interests.