1. Faculty of Dentistry; Universiti Sains Islam Malaysia; Kuala Lumpur Malaysia
2. Dental Public Health; Faculty of Dentistry; The University of Hong Kong; Hong Kong China
3. Department of Rehabilitation Medicine; Hospital Serdang; Selangor Malaysia
4. Department of Rehabilitation Medicine (Neurological); Hospital Rehabilitasi Cheras; Kuala Lumpur Malaysia
5. Department of Rehabilitation Medicine; Hospital Tuanku Ja'afar; Seremban Negeri Sembilan Malaysia