Document is current

Article History

Received: 11 March 2020

Revised: 11 June 2020

Accepted: 5 August 2020

First Online: 14 August 2020

Compliance with ethical standards

:

: The scientific guarantor of this publication is Tae Yeon Jeon.

: The 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• Observational study• Performed at one institution