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Authors
Kim, Chang Woo
Kim, Jong Wan
Yoon, Sang Nam
Oh, Bo Young
Kang, Byung Mo
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Funding
Funding for this research was provided by:
The Hallym University Research Fund 2019 (HURF-2019-57)
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Article History
Received: 24 January 2022
Accepted: 7 June 2022
First Online: 16 June 2022
Declarations
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: This retrospective study was approved by the Institutional Review Board at each participating institution and written informed consent was waived due to the observational and retrospective nature of the study by Institutional Review Board of Kyung Hee University Hospital at Gangdong, Hallym University Dongtan Sacred Heart Hospital Institutional Review Board, Ethics Committee, Hallym University Kangnam Sacred Heart Hospital Institutional Review Board, Ethics Committee, Hallym University Sacred Heart Hospital Institutional Review Board, Ethics Committee and Hallym University Chucheon Sacred Heart Hospital Institutional Review Board, and Ethics Committee. The study was conducted in accordance with the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.
