1. Physiotherapy Program, Center for Rehabilitation and Special Needs, Faculty of Health Sciences, Universiti Kebangsaan, Malaysia
2. Department of Family Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
3. Department of Community Health, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
4. International Center for Casemix and Clinical Coding, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
5. Department of Health Policy and Management, Faculty of Public Health, Kuwait University, Kuwait