1. Department of Restorative Dentistry & Endodontics, Faculty of Dentistry, University of Puthisastra, Phnom Penh, Cambodia
2. Dental Research Unit, Center for Global Health Research, Saveetha Medical College and Hospital, Saveetha Institute of Medical and Technical Sciences, Chennai, Tamil Nadu 600077, India
3. Department of Oral Pathology and Microbiology, Chhattisgarh Dental College and Research Institute, India
4. Department of, Oral Medicine and Radiology, Chhattisgarh Dental College and Research Institute, India