1. Department of Periodontology, Sankalchand Patel University, Visnagar, Gujarat, India
2. Department of Periodontology, N. P. Dental College and Hospital, Sankalchand Patel University, Visnagar, Gujarat, India
3. Department of Pedodontics, Government Dental College and Hospital, Jamnagar, Gujarat, India
4. Interns of AMC Dental College and Hospital, Ahmedabad, Gujarat, India