1. Department of Oral Pathology and Microbiology, Institute of Dental Sciences, Uttar Pradesh, Bareilly 243006, India
2. Department of Oral Pathology and Microbiology, Padmashree Dr. D. Y. Patil Dental College and Hospital, Nerul, Maharashtra, Navi Mumbai 400706, India
3. Department of Oral Pathology and Microbiology, Kothiwal Dental College and Research Centre, Uttar Pradesh, Moradabad 244001, India