Received: 23 September 2019
Accepted: 25 February 2021
First Online: 9 March 2021
: Ethical approval was obtained from the Universiti Kebangsaan Malaysia (UKM)/ National University of Malaysia, Research and Ethics Committee (Ethical approval code: FF-2018-438 TB) and the Medical Research & Ethics Committee (MREC), Malaysian Health Ministry (Ethical approval code: NMRR-18-1381-41558). This study adhered to the tenets of the Declaration of Helsinki and Malaysian Guidelines for Good Clinical Practice (GCP). A written informed consent was obtained from the parents/legal guardians of the minors included in this study, who participated.
: Consent to publish was provided in writing from the appropriate parents or legal guardians of the minors included in the study, as well as the minor used in an image within the consent forms attached to the manuscript.
: The authors declare no conflict of interest.