1. Institute of Nano Electronic Engineering, Universiti Malaysia Perlis, Kangar, Perlis 01000, Malaysia
2. Halal Products Research Institute, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia
3. Department of Preclinical Sciences, Faculty of Veterinary Medicine, Universiti Putra Malaysia, UPM Serdang, Selangor 43400, Malaysia