1. Department of Public Health Dentistry, Ragas Dental College and Hospital, Uthandi, Tamil Nadu, India
2. Department of Conservative Dentistry and Endodontics, Sri Venkateswara Dental College and Hospital, Chennai, Tamil Nadu, India
3. Oral Maxillofacial Pathology, Ragas Dental College and Hospital, Uthandi, Tamil Nadu, India
4. The Tamil Nadu Dr. MGR Medical University, Chennai, Tamil Nadu, India