1. Department of Pedodontics and Preventive Dentistry, Madha Dental College and Hospital, Chennai, Tamil Nadu, India
2. Department of Community Dentistry, Karpaga Vinayaka Dental College, Chennai, Tamil Nadu, India
3. Department of Pedodontics and Preventive Dentistry, Sri Ramakrishna Dental College and Hospital, Coimbatore, Tamil Nadu, India