1. Department of Public Health DentistryManipal College of Dental Sciences, Manipal Academy of Higher Education Manipal Karnataka India
2. Department of Oral Medicine and RadiologyManipal College of Dental Sciences, Manipal Academy of Higher Education Manipal Karnataka India
3. Faculty of Dentistry, Department of Oral SciencesDental Epidemiology and Public Health, WHO Collaborating Centre for Dental Epidemiology and Public Health, Sir John Walsh Research Institute, University of Otago Dunedin New Zealand