Funding for this research was provided by:
Universiti Sains Malaysia (304/ PPSG/61313193)
Received: 4 February 2021
Accepted: 9 April 2022
First Online: 11 May 2022
: The ethical approval to conduct this study was obtained from the Human Research Ethics Committee of Universiti Sains Malaysia [USM / JEPeM / 16050192] and the Ministry of Health Malaysia Medical Research and Ethics Committee [NMRR-16–2347-32612 (IIR)].
: Not applicable.
: The authors declare that they have no competing interests.