Received: 19 March 2020
Accepted: 27 October 2020
First Online: 16 November 2020
Ethics approval and consent to participate
: This work adheres to the guidelines and principles by the Declaration of Helsinki and is in accordance to the Malaysian Good Clinical Practice (MGCP) 4th edition 2018. This research is also registered with the National Medical Research Register (NMRR) and ethics approval was obtained from the Medical Research and Ethics Committee (MREC) prior to the initiation of the study.
: Not applicable.
: The authors declare that they have no competing interests.