Article History
Received: 22 September 2021
Accepted: 2 November 2021
First Online: 12 November 2021
Declarations
:
: The authors did not receive support from any organization for the submitted work. The authors have no conflict of interest to declare that are relevant to the content of this article.
: This retrospective chart review study involving human participants was in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki Declaration and its later amendments or comparable ethical standards. The Human Investigation Committee (IRB) of Bundang Jeseang Hospital approved this study. File number of the local institutional ethics board was DMC 2021-01-004.