Yap, Adrian Ujin http://orcid.org/0000-0003-0361-6209
Park, Ji Woon http://orcid.org/0000-0002-0625-7021
Lei, Jie http://orcid.org/0000-0002-3429-4436
Liu, Chengge http://orcid.org/0000-0002-4685-0399
Kim, Seong Hae http://orcid.org/0000-0003-2249-8551
Lee, Byeong-min http://orcid.org/0000-0003-2869-6460
Fu, Kai Yuan http://orcid.org/0000-0001-7049-9888
Funding for this research was provided by:
Beijing Municipal Health Commission (PKUSSNKP-202103, PKUSSNKP-202103, PKUSSNKP-202103, PKUSSNKP-202103)
Capital‘s Fund for Health Improvement and Research (CFH 2020-4-4106, CFH 2020-4-4106, CFH 2020-4-4106, CFH 2020-4-4106)
Article History
Received: 7 February 2023
Accepted: 3 April 2023
First Online: 28 April 2023
Declarations
:
: All methods were performed in accordance with the Declaration of Helsinki and relevant guidelines and regulations. This work was approved by the Biomedical Institutional Review Boards at the School of Stomatology, Peking University (PKUSSIRB-201732009) and Seoul National University Dental Hospital (ERI22001) in China and South Korea respectively. Informed consent was obtained from all participants or their legal guardians (if under 18 years old) in China, whilst waiver of consent was granted in South Korea by the Institutional Review Board of Seoul National University Dental Hospital considering the retrospective nature of the study.
: Not applicable.
: The authors have no competing interests to declare in relation to this work.