Received: 25 November 2021
Accepted: 14 December 2021
First Online: 11 January 2022
: The Medical Research and Ethics Committee, Ministry of Health, Malaysia, gave ethical approval for this study (Ref. number NMRR ID- 21-02187-UE0). Data were anonymous without any personal identifiers, were kept strictly confidential and were approached and analysed for the purpose of this study.
: Not applicable.
: All authors declare that they have no competing interests.