Jeon, Sun Kyung
Kim, Jung Hoon http://orcid.org/0000-0002-8090-7758
Yoo, Jeongin
Kim, Ji-Eun
Park, Sang Joon
Han, Joon Koo
Article History
Received: 4 June 2020
Revised: 25 August 2020
Accepted: 14 October 2020
First Online: 2 November 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Joon Koo Han.
: 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.
: This retrospective study was approved by our institutional review board, and patient informed consent was waived.
: Institutional review board approval was obtained (IRB No. 1905-018-1031).
: • retrospective• case-control study• performed at one institution