1. Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia (The National Universiti of Malaysia), Jalan Yaacob Latif 56000, Cheras, Malaysia
2. Department of Pharmaceutics, Faculty of Pharmacy, Universiti Teknologi MARA, Puncak Alam Campus, Bandar Puncak Alam 42300, Selangor, Malaysia