1. Department of Periodontics, Buddha Institute of Dental Sciences and Hospital, Patna, Bihar, India
2. Department of Dentistry, Netaji Subhas Medical College, and Hospital, Patna, Bihar, India
3. Department of Periodontics, Dental Clinic and Research Centre, Patna, Bihar, India
4. Department of Conservative Dentistry and Endodontics, R. K. D. F. Dental College and Research Centre, Bhopal, Madhya Pradesh, India
5. Department of Periodontics and Implantology, Mamata Institute of Dental Sciences, Hyderabad, Telangana, India