1. Department of Oral Medicine, Diagnosis and Radiology, Sri Guru Ram Das Institute of Dental Sciences and Research, Amritsar, India.
2. Department of Oral Medicine, Diagnosis and Radiology, Government Dental College and Hospital, Mumbai, India.
3. Department of Prosthodontics, Sri Guru Ram Das Institute of Dental Sciences and Research, Amritsar, India.
4. Department of Oral Medicine, Diagnosis and Radiology, Dr. D.Y. Patil Dental College and Hospital, Navi Mumbai, India.