1. Department of Pharmacology, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia
2. Department of Anatomy, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia
3. Centre of Drug Delivery Research, Faculty of Pharmacy, Universiti Kebangsaan Malaysia Kuala Lumpur Campus, Kuala Lumpur, Malaysia
4. School of Healthcare Sciences, Faculty of Health Science, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
5. Department of Family Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Cheras, Malaysia