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Authors
Wan Hassan, Wan Nurazreena https://orcid.org/0000-0003-1627-3671
Makhbul, Mohd Zambri Mohamed https://orcid.org/0000-0001-5540-0739
Yusof, Zamros Yuzadi Mohd https://orcid.org/0000-0002-1014-6543
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Article History
Received: 1 August 2020
Accepted: 19 March 2021
First Online: 3 May 2021
Declarations
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: W.N. Wan Hassan, M.Z.M. Makhbul and Z.Y.M. Yusof declare that they have no competing interests.
: The study protocol was approved, and the study was conducted in accordance with the guidelines set by the Medical Ethics Committee, Faculty of Dentistry, University of Malaya (DF CD1514/0093(L)) and Medical Research and Ethics Committee, Ministry of Health Malaysia (NMRR-16-896-30028 (IIR)). The authors certify that the study was performed in line with the principles of the Declaration of Helsinki. Prior to data collection, all participants or their parents or legal guardians received full oral and written information on the aims of the study and signed a consent form. No personal participant data were disclosed in this report.
