Funding for this research was provided by:
Fundamental Research Gran (FRGS-5524635)
UPM Putra Grant (9520900)
Text and Data Mining valid from 2019-01-10
Received: 2 July 2018
Accepted: 27 December 2018
First Online: 10 January 2019
Ethics approval and consent to participate
: The protocol used in this study was approved by an ethical review committee at Faculty of Economics and Management, Universiti Putra Malaysia, Selangor, Malaysia. Before enrollment, all participants received a brief explanation of the aims, risks and benefits of the study and were informed that they could terminate the interviews at any time. All participants gave their informed consent forms prior to enrollment. The work was carried out in accordance with the Code of Ethics of the World Medical Association for experiments involving humans.
: Not applicable.
: The authors declare that they have no competing interests.
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