Funding for this research was provided by:
Universiti Sains Malaysia (Research University Grant (1001.PTEKIND.811338) and Bridging Grant (304. PTEKIND. 6316035))
Article History
Received: 20 September 2019
Accepted: 1 April 2020
First Online: 30 April 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.
: This study was approved by the Human Research Ethics Committee, Universiti Sains Malaysia, USM (HREC) under the approval code of USM/JEPeM/17020141. HREC is in compliance with the Declaration of Helsinki.
: Informed consent was obtained from all individual participants included in the study.