Text and Data Mining valid from 2018-12-01
Received: 28 December 2017
Accepted: 26 November 2018
First Online: 11 December 2018
Ethics approval and consent to participate
: This survey had been reviewed and approved by the Medical Research and Ethics Committee Malaysia (NMRR- NMRR-15-511-25,359). Consent was taken from all respondents who were illiterate, the information sheet and consent form were read to them and their thumb print impression was taken to replace signature.
: Not applicable.
: The authors declare that they have no competing interest.
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