Funding for this research was provided by:
National Institutes of Health (NMRR-17-295-34771)
Received: 30 March 2020
Accepted: 10 July 2020
First Online: 9 August 2020
Ethics approval and consent to participate
: Ethical approval for the EnPHC study was obtained from the Medical Research Ethic Committee (MREC) Malaysia (Research registration number: NMRR-17-295-34771. Informed written consent was taken from all participants prior to interviews.
: Not applicable.
: The authors declared that they have no competing interests.