Yahya, Padillah
Sulong, Sarina
Harun, Azian
Wangkumhang, Pongsakorn
Wilantho, Alisa
Ngamphiw, Chumpol
Tongsima, Sissades
Zilfalil, Bin Alwi
Funding for this research was provided by:
Universiti Sains Malaysia Apex Grant (1002/PPSP/910343)
NTU Grant (Muhammed Ariff Research Grant (304.PPSP.6150148.N119)
Article History
Received: 24 May 2019
Accepted: 15 October 2019
First Online: 23 November 2019
Compliance with ethical standards
: The humane and ethical research standards recommended by Universiti Sains Malaysia were followed in this study. All participants signed the written informed consents before sample collection. This study was approved by Universiti Sains Malaysia ethics committee.
: The authors declared that they have no competing interests.