Chan, J. X. Y.
Wong, M. L.
Gao, X.
Chia, K. S.
Hong, C. H. L.
Funding for this research was provided by:
National University of Singapore (Faculty of Dentistry Post-graduate grant)
Article History
Received: 29 March 2021
Accepted: 21 June 2021
First Online: 5 July 2021
Declarations
:
: The authors declare no conflict of interest. All authors have made substantive contribution to this study and/or manuscript, and all have reviewed the final paper prior to its submission.
: This study was performed in line with the principles of the Declaration of Helsinki. Approval was granted from the Ethics committee, National University Institutional Review Board (NUS-IRB Reference Number: S-18-220E).
: Informed consent was obtained from all subjects prior to enrolment.
: The authors affirm that human research participants provided informed consent for publication.