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Authors
Lee, Minjung http://orcid.org/0000-0002-0479-6523
Ihm, Jungjoon http://orcid.org/0000-0002-3136-5956
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Article History
Received: 22 July 2020
Accepted: 15 April 2021
First Online: 21 April 2021
Declarations
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: The study was approved by the Institutional Review Board (IRB) of Seoul National University School of Dentistry (IRB No. S-D20200028). All participants were aware that they were taking part in this research and gave written informed consent via an online platform with Google survey in addition to confirming that they would allow us to use their collected data anonymously for publication. All the data were anonymously collected and analyzed.
: Not Applicable.
: The authors declare that they have no competing interests.
