Funding for this research was provided by:
Ministry of Health Malaysia (NMRR 15-607-25769)
Text and Data Mining valid from 2019-11-04
Received: 14 March 2019
Accepted: 5 September 2019
First Online: 4 November 2019
Ethics approval and consent to participate
: This study was approved by the Medical Research and Ethics Committee (MREC), Ministry of Health Malaysia as part of the Malaysia Health System Research (MHSR). All participants gave informed consent to be interviewed.
: Not applicable.
: The authors declare that they have no competing interests.