Received: 27 April 2022
Accepted: 7 October 2022
First Online: 23 October 2022
: 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 Hwasun Chonnam National University Hospital approved this study. Informed consent was not required for this type of study.
: Not applicable in this section.
: The authors declare that they have no conflict of interest.