Yoon, So Jin
Ahn, Joong Mo
Kang, Yusuhn
Kim, Bo Ram
Kang, Heung-Sik
Article History
Received: 5 October 2021
Revised: 18 November 2021
Accepted: 11 December 2021
First Online: 16 December 2021
Declarations
:
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. This retrospective study was approved by the institutional review board of Seoul National University Bundang Hospital (IRB no: B-2106/693–102). The requirement for patients’ informed consent was waived.
: The authors declare no competing interests.