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Authors
Kang, Ye-Jin http://orcid.org/0000-0002-1061-8344
Lee, Min-Taek http://orcid.org/0000-0002-3178-9660
Kim, Myo-Song http://orcid.org/0000-0002-9094-8780
You, Seung-Hun http://orcid.org/0000-0002-2430-6907
Lee, Jae-Eun http://orcid.org/0000-0003-2900-0197
Eom, Joo-Hyeon http://orcid.org/0000-0003-4890-7499
Jung, Sun-Young http://orcid.org/0000-0003-2032-112X
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Funding
Funding for this research was provided by:
Chung-Ang University (Graduate research 2020)
Ministry of Education (NRF-017R1D1A1B03032231)
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Article History
Accepted: 27 May 2021
First Online: 23 June 2021
Declarations
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: This research was supported by the Chung-Ang University Graduate Research Scholarship in 2020 and the Basic Science Research Program through the National Research Foundation of Korea (NRF), funded by the Ministry of Education (Grant no. NRF-2017R1D1A1B03032231).
: Ye-Jin Kang, Min-Taek Lee, Myo-Song Kim, Seung-Hun You, Jae-Eun Lee, Joo-Hyeon Eom, and Sun-Young Jung declare no conflicts of interest.
: The need to obtain informed consent was waived since the database contains de-identified information. The study protocol was exempted from review by the IRB of Chung-Ang University (IRB number: 1041078-201707-HR-137-01).
: Not applicable.
: Not applicable.
: This database is not publicly available and its use is restricted to users who have gained approval for access from the NHIS. We applied for data access to the NHIS along with the study protocol, and the IRB of the principal investigator’s affiliated institution obtained the approval from the NHIS.
: Not applicable.
: Study conception and design: YJK and SYJ. Acquisition of data: YJK, MSK, SHY, and JEL. Analysis: YJK. Interpretation of the data: YJK, MTL, JHE, and SYJ. Drafting and critical revision of the article: YJK and SYJ. All authors approved the version submitted for publication.
