1. Department of Pharmaceutical Chemistry, Faculty of Pharmacy University of Malaya Kuala Lumpur Malaysia
2. Nanotechnology and Catalysis Research Centre University of Malaya Kuala Lumpur Malaysia
3. Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy University of Malaya Kuala Lumpur Malaysia
4. Department of Pharmacology, Faculty of Medicine University of Malaya Kuala Lumpur Malaysia
5. School of Biosciences, Faculty of Health and Medical Sciences Taylor's University Subang Jaya Selangor Malaysia