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Article History

Received: 7 April 2021

Revised: 6 September 2021

Accepted: 24 September 2021

First Online: 10 January 2022

Declarations

:

: The scientific guarantor of this publication is Soon Ho Yoon.

: Soon Ho Yoon works in the MEDICALIP as a chief medical officer, outside this work. Other authors of this manuscript declare no relationships with any companies, whose products or services may be related to the subject matter of the article.

: No complex statistical methods were necessary for this paper.

: Written informed consent was waived by the Institutional Review Board.

: Institutional Review Board approval was obtained.

: • retrospective• case–control• performed at one institution