Koh, Minji
Jung, Jinhong https://orcid.org/0000-0002-7034-8454
Kim, Su Ssan
Do Ahn, Seung
Choi, Eun Kyung
Chung, Il Yong
Lee, Jong Won
Kim, Sung-Bae
Jeong, Jae Ho
Article History
Received: 19 February 2021
Accepted: 10 April 2021
First Online: 23 April 2021
Declarations
:
: The authors declare that they have no conflict of interest.
: Ethics approval for this study was obtained through the Institutional Review Board of Asan Medical Center. Considering the retrospective nature of the study, informed written consent was waived according to the rule of the review board.