Mohd Nazri Shafei1*, Ahmad Faris Awang2 and Wan Mohd Zahiruddin Wan Mohamad1
1Department of Community Medicine, School of Medical Sciences, Universiti Sains Malaysia Health Campus, 16150 Kelantan, Malaysia.
2Kudat Area Health Office, Locked Bag No. 6, 89059 Kudat, Sabah, Malaysia.
