Inn, Fam Xeng http://orcid.org/0000-0002-1377-6436
Ahmed, Nurzarina
Hou, Loo Guo http://orcid.org/0000-0001-8908-0403
Abidin, Zainal Adwin Zainal http://orcid.org/0000-0002-3685-4142
Yi, Lim Li http://orcid.org/0000-0002-0357-0493
Zainuddin, Zulkifli Md.
Article History
Received: 16 June 2019
Accepted: 17 August 2019
First Online: 22 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: All procedures performed in this study were in accordance with the ethical standards of the institutional research committee (The National University of Malaysia Research Ethics committee, reference number UKM PPI/111/8/JEP-2016-453) and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: Informed consent was obtained from all individual participants included in the study.