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Authors
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Funding
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2019R1G1A109408)
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Article History
Received: 3 January 2020
Accepted: 20 March 2020
First Online: 1 April 2020
Ethics approval and consent to participate
: This study was approved by the institutional review board of Yonsei University Wonju College of Medicine (CR318331). Anonymous and de-identified information was used for analysis and, therefore, informed consent was not obtained.
: Not applicable.
: The authors declare that there is no duality of interest associated with this manuscript.
