1. Department of Oral Medicine and Radiology, Tamil Nadu Government Dental College and Hospital, Chennai, Tamil Nadu, India
2. Tamil Nadu Dr. MGR Medical University, Chennai, Tamil Nadu, India
3. Department of Medical Physics, College of Engineering Anna University, Chennai, Tamil Nadu, India
4. Department of Dental Surgery, Government Hospital, Valangaiman, Thiruvarur District, Tamil Nadu, India
5. Department of Biochemistry, SRM Arts and Science College, Kattankulathur, Chengalpattu, Tamil Nadu, India