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Authors
Park, Sehoon
Kang, Sung Jin
Lee, Jang Wook
Kim, Ji Eun
Kim, Yaerim
Kim, Kwangsoo
Park, Minsu
Kim, Yong Chul
Kim, Yon Su
Lim, Yaeji
Lee, Hajeong https://orcid.org/0000-0002-1873-1587
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Article History
Received: 14 May 2021
Accepted: 8 August 2021
First Online: 6 September 2021
Declarations
:
: The authors declare no conflicts of interest.
: The institutional review board (IRB) of Seoul National University Hospital (IRB No. E-1912-003-1083) approved the study. The attending government organization approved the use of National Health Insurance Service (NHIS 2018-1-321). This study was conducted in accordance with the Declaration of Helsinki and Declaration of Istanbul.
: The requirement for acquiring informed consent was waived by the IRB because the study investigated an anonymous public database.
: The study did not include individual data and the need for consent to publish was waived by the attending IRBs as the study was retrospective without medical intervention investigating the anonymous public database.
: Not available.
