Kim, Songeui http://orcid.org/0000-0003-1724-1022
Yang, Ji Won http://orcid.org/0000-0002-9885-7701
Lim, Jaeseo http://orcid.org/0000-0003-0978-9098
Lee, Seunghee http://orcid.org/0000-0001-8672-5253
Ihm, Jungjoon http://orcid.org/0000-0002-3136-5956
Park, Jooyong http://orcid.org/0000-0002-5113-5111
Article History
Received: 25 April 2020
Accepted: 4 January 2021
First Online: 19 January 2021
Ethics approval and consent to participate
: The study was reviewed and approved by the Institutional Review Board (IRB) of Seoul National University School of Dentistry (approval No. S-D20190016). All participants were aware that they were taking part in this research and gave informed consent in writing 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.
: All authors have no potential conflicts of interest.