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Authors
Kang, Eun Ae
Park, Jung Won
Park, Yehyun
Park, Soo Jung
Kim, Tae Il
Kim, Won Ho
Cho, Min Soo
Cheon, Jae Hee
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Article History
Received: 29 March 2021
Accepted: 9 September 2021
First Online: 7 October 2021
Declarations
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: This study was approved by the institutional review board (IRB) of Yonsei University Health System, Severance Hospital, Seoul, Republic of Korea (IRB number: 4-2021-0078). This study was conducted in accordance with the ethical rules for human experimentation that stated in the Declaration of Helsinki. The IRB of the Yonsei University Health System, Severance Hospital waived the need of informed consent due to the nature of retrospective observational study.
: Not applicable.
: The authors declare no competing financial interests regarding this paper.
