Funding for this research was provided by:
Ministry of Higher Education (Fundamental Research Grant Scheme (FRGS) (203/PFARMASI/6711304)
Received: 27 January 2019
Accepted: 23 June 2019
First Online: 28 June 2019
Ethics approval and consent to participate
: The institutional Animal Ethics Committee at USM approved the study [Approval number: USM/Animal Ethics Approval/2013/(90)(509)].
: Not applicable
: The authors declare that they have no competing interests.