1. Public Health Unit, Department of Primary Health Care, Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Nilai, Malaysia
2. Afiyah Research Group, Faculty of Medicine and Health Sciences, Universiti Sains Islam Malaysia, Nilai, Malaysia
3. Centre for Epidemiology and Evidence Based Practice, Department of Social and Preventive Medicine, Faculty of Medicine, University of Malaya, Kuala Lumpur, Malaysia
4. National Centre of Excellence for Mental Health, Ministry of Health Malaysia, Cyberjaya, Malaysia
5. Institute of Health Systems Research (IHSR), National Institute of Health, Shah Alam, Malaysia
6. Tobacco Control Unit, Disease Control Division, Ministry of Health Malaysia, Putrajaya, Malaysia
7. Family Health Development Division, Ministry of Health Malaysia, Putrajaya, Malaysia