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Article History

Received: 22 February 2022

Accepted: 6 May 2022

First Online: 3 June 2022

Declarations

:

: This study was approved by the Institutional Review Board of the Yongin Severance Hospital (No. 9–2020–0001), and the approving authority waived the requirement for informed consent because of deidentified patient data. All methods were carried out in accordance with relevant guidelines and regulations (declaration of Helsinki).

: Not applicable.

: The authors declare that they have no competing interests.