Funding for this research was provided by:
National Research Foundation of Korea (#NRF-2022R1A2B5B01001430)
Korean Society of Gastrointestinal Endoscopy (2021)
SNUH Research Fund (#03-2022-0140)
Article History
Received: 4 October 2022
Accepted: 27 December 2022
First Online: 6 January 2023
Declarations
:
: The authors declare that they have no conflict of interest.
: This study was approved by the institutional review board (IRB) of the Seoul National University Hospital (No. 2208-072-1350). All procedures followed were in accordance with the ethical standards of the responsible committee on human experimentation (institutional and national) and with the Helsinki Declaration of 1964 and later versions. Patient consent was waived, given the retrospective nature of this study.
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