Chae, Hee-Dong
Hong, Sung Hwan http://orcid.org/0000-0003-2302-1341
Shin, Mack
Choi, Ja-Young
Yoo, Hye Jin
Article History
Received: 17 March 2020
Accepted: 30 April 2020
First Online: 18 May 2020
Compliance with ethical standards
:
: The scientific guarantor of this publication is Sung Hwan Hong.
: 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• performed at one institution