1. Department of Oral Pathology and Oral Microbiology, Vinayaka Mission’s Sankarachariyar Dental College and Hospitals, VMRF (DU) Salem, Tamil Nadu, India
2. Department of Periodontics, Vinayaka Mission’s Sankarachariyar Dental College and Hospitals, VMRF (DU) Salem, Tamil Nadu, India
3. Department of Oral Pathology and Microbiology, Rajamuthiah Dental College, Annamalai University, Annamalinagar, Chidambaram-2, Tamil Nadu, India
4. Department of Oral Pathology, Vivekanandha Dental College for Women, Tamil Nadu, India