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Article History

Received: 20 October 2022

Accepted: 22 March 2023

First Online: 28 March 2023

Declarations

:

: This study was conducted in accordance with the principles embodied in the Declaration of Helsinki (as revised in 2013) and was approved by the ethics board of the Japanese Red Cross Kumamoto Hospital (permission no. 515). The requirement for informed consent was waived owing to the retrospective nature of this study. We posted a summary of the trial on our website and asked eligible patients to inform us if they wished to be excluded from the study; none of the participants requested exclusion.

: Not applicable.

: The authors declare that they have no competing interests.