Article History
Received: 19 November 2021
Accepted: 18 March 2022
First Online: 30 March 2022
Declarations
:
: 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 Samsung Medical Center (No. SMC 2020–01-117–001) approved the study.
: Consent for participation was waived because of the retrospective study design and no additional harm to the patients.
: Consent for publication was waived because of the retrospective study design and no additional harm to the patients.
: The authors declare no competing interests.