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Authors
Gil, Joonhyung
Choi, Hongyoon
Paeng, Jin Chul
Cheon, Gi Jeong
Kang, Keon Wook
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Article History
Received: 13 April 2022
Revised: 20 March 2023
Accepted: 3 April 2023
First Online: 19 April 2023
Compliance with Ethical Standards
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: Joonhyung Gil, Hongyoon Choi, Jin Chul Paeng, Gi Jeong Cheon, and Keon Wook Kang declare that they have no conflict of interest.
: The study design of the retrospective analysis and exemption of informed consent were approved by the Institutional Review Board of the Seoul National University Hospital (2105-157-1221). All procedures followed were performed in accordance with the ethical standards of the responsible committee on human experimentation and with the Helsinki Declaration of 1975, as revised in 2013. The institutional review board waived the need to obtain informed consent.
: The institutional review board waived the need to obtain informed consent because of the anonymity and the retrospective nature of the study.
