Text and Data Mining valid from 2019-06-01
First Online: 13 June 2019
Ethics approval and consent to participate
: The study questionnaire, protocols, consent forms, participant information sheet and study-related flyer to recruit the study subjects were approved by the Research Ethics Committee, The National University of Malaysia (JEP-2017-794). This study also obtained approval from the Education Department of the Federal Territory, Ministry of Education, and school management. Written consent was obtained from all the participants (adolescent assent) and the parents/guardian (parental consent) before their enrolment in the study.
: Not applicable, there are no personal details on individuals reported within the manuscript.
: The authors declare that they have no competing interests.
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