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Authors
Cho, Hyun-kyung http://orcid.org/0000-0001-5631-5077
Han, Jong Chul
Choi, Jin A.
Chae, Jae Eun
Kim, Rock Bum
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Article History
Received: 14 January 2022
Revised: 2 September 2022
Accepted: 22 September 2022
First Online: 12 November 2022
Competing interests
: The authors declare no competing interests.
: This study adhered to the tenets of the Declaration of Helsinki. NHIS-NCS 2002–2013 project was approved by the Institutional Review Board (IRB) of the Korean National Health Insurance Service. This study was approved by the Institutional Review Board of Gyeongsang National University Changwon Hospital and School of Medicine. The requirement for informed consent was exempted by the IRB because this study was retrospective in nature.
