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Article History

Received: 17 August 2024

Accepted: 30 October 2024

First Online: 6 November 2024

Declarations

:

: This study has been approved by the Ethics Committee of Nippon Medical School Hospital (B-2020-113). In addition, this study was conducted in accordance with the provisions of the Declaration of Helsinki. Informed consent was not obtained because only anonymized information was used for data collection. The Ethics Committee of Nippon Medical School Hospital waived the need for informed consent due to this being a retrospective study. It was clarified in the opt-out section of the website that the subjects of the study were informed about the purposes, methods and publication of the results, and were guaranteed the opportunity to refuse participation.

: Not applicable.

: The authors declare no competing interests.