Lee, Junghoon
Kang, Sumi
Jung, Hoi-In
Kim, Sunil
Karabucak, Bekir
Kim, Euiseong http://orcid.org/0000-0003-2126-4761
Funding for this research was provided by:
National Research Foundation of Korea (NRF-2018R1D1A1A09081906)
Article History
Received: 8 July 2019
Accepted: 17 January 2020
First Online: 29 January 2020
Ethics approval and consent to participate
: This study was waived by the Institutional Review Board (IRB) of Yonsei University Dental Hospital. Informed verbal consents were obtained based on Article 16, Paragraph 3 of the Bioethics and Safety Act in South Korea. After brief explanation of the purpose of the study, verbal informed consents were obtained from all participants because this study was voluntary and the responses were anonymous, and the consent procedure was waived by the IRB committee.
: Not applicable.
: The authors declare that they have no competing interests.