1. Department of Conservative Dentistry and Endodontics, College of Dental Sciences and Hospital, Indore, Madhya Pradesh, India
2. Department of Conservative Dentistry and Endodontics, Babu Banarasi Das College of Dental Sciences, Lucknow, Uttar Pradesh, India
3. Department of Microbiology, Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India