Son, A Yeon
Hong, Gil-Sun http://orcid.org/0000-0002-0068-9413
Lee, Choong Wook
Lee, Ju Hee
Chung, Won Jung
Lee, Jung Bok
Article History
Received: 7 March 2022
Accepted: 3 May 2022
First Online: 4 June 2022
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 of Asan Medical Center, and the requirement for study-specific informed consent was waived.
: Not applicable.
: The authors declare no competing interests.