1. Department of Primary Care Medicine, University Malaya Primary Care Research Group, University of Malaya, Kuala Lumpur, Malaysia
2. Centre for Evidence-Based Practice, Department of Social Preventive Medicine, University of Malaya, Kuala Lumpur, Malaysia
3. Department of Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
4. Negeri Sembilan Department of Health, Ministry of Health Malaysia, Negeri Sembilan, Malaysia
5. Penang Department of Health, Ministry of Health Malaysia, Penang, Malaysia
6. Federal Territory and Putrajaya State Health Department, Ministry of Health Malaysia, Kuala Lumpur, Malaysia
7. Selangor Department of Health, Ministry of Health Malaysia, Selangor, Malaysia