Funding for this research was provided by:
Ministry of Health Malaysia (NMRR-15-2188-27661)
Received: 23 August 2018
Accepted: 14 January 2019
First Online: 11 February 2019
Ethics approval and consent to participate
: All the animal experiments were carried out under the guidelines and upon approval of the Animal Care and Use Committee, Ministry of Health Malaysia (ACUC-MOH), ACUC/KKM/02(9/2016).
: Not applicable.
: The authors declare that they have no competing interests.
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