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Authors
Nam, Jun Ho
Cho, Myung Rae
Lee, Seo Ho
Song, Suk-Kyoon
Choi, Won-Kee http://orcid.org/0000-0002-4671-5656
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Article History
Received: 1 July 2020
Accepted: 24 September 2020
First Online: 15 October 2020
Ethics approval and consent to participate
: This study was approved by the IRB (CR-20-069). No informed consent was necessary for the study.
: Not applicable.
: The authors declare that they have no competing interests.
