1. Faculty of Dentistry; Oral Cancer Research and Co-ordinating Centre (OCRCC), University of Malaya; Kuala Lumpur Malaysia
2. Oral Cancer Research Team, Cancer Research Initiatives Foundation (CARIF); Subang Jaya Selangor Darul Ehsan Malaysia
3. Medical Scientist Training Program; University of Colorado Denver-Anschutz Medical Campus; Aurora CO
4. Oral Medicine Department of Clinical and Diagnostic Sciences and WHO Collaborating Centre for Oral Cancer; King's College London Dental Institute; London United Kingdom
5. Department of Oro-Maxillofacial Surgery and Medical Sciences; Faculty of Dentistry; University of Malaya; Kuala Lumpur Malaysia