Kim, Chang Hun http://orcid.org/0000-0003-3181-7454
Kim, Hyungtae http://orcid.org/0000-0003-3972-456X
Choi, Kwang Ho http://orcid.org/0000-0003-4407-2746
Sung, Si Chan http://orcid.org/0000-0001-9310-3831
Ko, Hoon http://orcid.org/0000-0002-5834-0900
Choo, Ki Seok http://orcid.org/0000-0001-5072-4259
Article History
Received: 13 January 2021
Accepted: 20 September 2021
First Online: 28 September 2021
Declarations
:
: All procedures performed in this study involving a human participant were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. The institutional review board at Pusan National University Yangsan Hospital approved the present study, and the patient consent was waived for the retrospective data analysis (IRB No. 05-2021-006).
: Not applicable.
: The authors declare that they have no competing interests.