1. Department of Oral and Maxillofacial Pathology, Shree Bankey Bihari Dental College and Research Centre, Masuri, Ghaziabad, Uttar Pradesh, India
2. Department of Oral and Maxillofacial Pathology, Faculty of Dental Sciences, Institute of Medical Sciences, Banaras Hindu University, Varanasi, Uttar Pradesh, India
3. Department of Oral and Maxillofacial Pathology, Carrier Institute of Dental Sciences and Hospital, Lucknow, Uttar Pradesh, India