Kho, Hong-Seop
Chang, Ji-Youn
Kim, Yoon-Young
Funding for this research was provided by:
National Research Foundation of Korea (2016R1A2B4007286)
Article History
Received: 20 April 2019
Accepted: 13 March 2020
First Online: 23 March 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional research committee (the Institutional Review Board of the Seoul National University Dental Hospital, #CRI18004) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all participants included in the study.