1. Department of Oral Medicine and Radiology, New Horizon Dental College and Research Institute, Sakri, Bilaspur, India.
2. Department of Pedodontics and Preventive Dentistry, Mansarovar Dental College, Bhopal, India.
3. Department of Oral Medicine and Radiology, Swami Devi Dayal Hospital and Dental College, Panchkula, India.
4. Department of Periodontology, National Dental College and Hospital, Dera Bassi, Mohali, India.