Funding for this research was provided by:
Korea Centers for Disease Control and Prevention (2018P330400)
Ministry of Science and ICT, Korea (NRF- 2017M3A9B6062986)
Received: 3 February 2022
Accepted: 7 June 2022
First Online: 25 June 2022
: This study was approved by the Institutional Review Board for Human Subjects at the Seoul National University School of Dentistry and Seoul National University College of Medicine (approval number: S-020190017 and C-1803-117-932). The written informed consent was obtained from each participant. We confirmed that all methods were performed in accordance with the relevant guideline and regulations.
: Not applicable.
: All authors have no competing interests.