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Article History

Received: 1 July 2021

Accepted: 7 December 2021

First Online: 13 January 2022

Declarations

:

: The authors declare no conflict of interest.

: All procedures in studies involving human participants were performed in accordance with the ethical standards of the Ohara General Hospital, and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards.

: Informed consent was waivered by the ethical committee of Ohara General Hospital as this was a retrospective study.