Text and Data Mining valid from 2018-08-08
Received: 10 April 2018
Accepted: 8 June 2018
First Online: 8 August 2018
Ethics approval and consent to participate
: Ethical approval (approval no. NF-016-14) for this study was obtained from the Ethics Committee of the UKM Medical Centre, Cheras, Kuala Lumpur, Malaysia. Participation in the study was voluntary and no compensation was paid to the participants. Written consent were taken from the respondents. Confidentiality and anonymity was maintained.
: Not applicable.
: The authors declare that they have no competing interests.
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