1. Department of Oral and Maxillofacial Pathology Ragas Dental College and Hospital Chennai India
2. The Tamil Nadu Dr. MGR Medical University Chennai India
3. Department of Public Health Dentistry Faculty of Dentistry – Meenakshi Academy of Higher Education and Research Chennai India
4. Department of Public Health Dentistry ESIC Dental College Kalaburagi India
5. Faculty of Dentistry, Oral & Craniofacial Sciences King's College London WHO Collaborating Centre for Oral Cancer London UK