Ahn, Yura
Hong, Gil-Sun http://orcid.org/0000-0002-0068-9413
Park, Kye Jin
Lee, Choong Wook
Lee, Ju Hee
Kim, Seon-Ok
Article History
Received: 20 May 2021
Accepted: 10 October 2021
First Online: 3 November 2021
Declarations
:
: This retrospective study was conducted according to the principles of the Declaration of Helsinki. The study protocol was approved by the Institutional Review Board Committee of Asan Medical Center and the requirement for study-specific informed consent was waived.
: Not applicable.
: The authors declare that they have no competing interests.