1. Department of Medicine, Faculty of Medicine University of Malaya Jalan University Kuala Lumpur Malaysia
2. Community Health Unit, Department of Primary Care, Faculty of Medicine and Health Science University Sains Islam Malaysia Nilai Negeri Sembilan Malaysia
3. Department of Clinical Pharmacy and Pharmacy Practice, Faculty of Pharmacy University of Malaya Jalan University Kuala Lumpur Malaysia
4. Centre of Population Health, Department of Social Preventive Medicine, Faculty of Medicine University of Malaya Jalan University Kuala Lumpur Malaysia
5. Hospital Kuala Lumpur Jalan Pahang Kuala Lumpur Malaysia
6. National Institutes of Health, Ministry of Health, Kompleks Institut Kesihatan Negara (NIH) Setia Alam Selangor Malaysia
7. Selayang Hospital Batu Caves Selangor Malaysia