1. Faculty of Health and Medical Sciences, School of Medicine, Taylor’s University, Selangor, Malaysia
2. Faculty of Health and Medical Sciences, School of Pharmacy, Taylor’s University, Selangor, Malaysia
3. Department of Pharmaceutical Life Sciences, Faculty of Pharmacy, Universiti Malaya, Kuala Lumpur, Malaysia
4. Department of Pharmacology, Faculty of Medicine, Universiti Malaya, Kuala Lumpur, Malaysia
5. Institut Biologi Sistem, Universiti Kebangsaan Malaysia, Selangor, Malaysia
6. Photochemistry Unit, Herbal Medicine Research Centre, Institute of Medical Research, National Institutes of Health, Selangor, Malaysia