1. Department of Oral and Maxillofacial Surgery, M.M. College of Dental Sciences and Research, Mullana, Ambala, Haryana, India
2. Department of Medical Surgery, National Institute of Nursing College (NINE), Postgraduate Institute of Medical Education and Research (PGIMER), Chandigarh, India
3. Dental Department, Government Civil Hospital, Faridabad, Haryana, India
4. Department of Oral Medicine and Radiology, Bhojia Dental College and Hospital, Budh, Baddi, Himachal Pradesh, India