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Authors
Jeon, Boyoung
Koo, Heejo
Lee, Hye-Jae
Han, Euna
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Funding
Funding for this research was provided by:
National Research Foundation of Korea (2019R1A2C1003259)
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Article History
Received: 27 June 2021
Accepted: 6 July 2022
First Online: 25 August 2022
Declarations
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: We obtained ethical approval of this study from the Yonsei University Review Board (IRB No. 202010-HR-2107–01). Consent to participate was not required, as we used anonymous datasets that can be downloaded in the Korean Health and Welfare Data Portal. All methods were performed in accordance with the relevant guidelines and regulations.
: Not applicable.
: The authors do not have any conflicts of interest to declare.
