Choi, Seungeun
Kim, Yoon Jung
Oh, Hyongmin
Kim, Nayoung
Kim, Yong Hwy
Park, Hee-Pyoung http://orcid.org/0000-0002-4772-0780
Article History
Received: 15 February 2022
Accepted: 17 May 2022
First Online: 31 May 2022
Declarations
:
: This retrospective study was conducted after approval from the Institutional Review Board of Seoul National University Hospital (IRB no. H-2110–126-1264). All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee (name of institute/committee) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. Because this was a retrospective study, for this type of study, formal consent is not required.
: This article does not contain any studies with human participants performed by any of the authors.
: The authors declare no competing interests.