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Article History

Received: 8 August 2022

Accepted: 5 February 2023

First Online: 24 February 2023

Declarations

:

: The study protocol was approved by the ethics committee at Osaka Kaisei Hospital. The need to obtain written informed consent was waived based on the retrospective, noninvasive, and anonymous nature of the study design. For the purpose of anonymity, the participant’s name was not used at the time of data collection, and all other personnel information was kept entirely anonymously and confidentiality was assured throughout the study period.

: Not applicable.

: The author declares no competing interests.