1. Department of Periodontology, Rama Dental College Hospital and Research Centre, Kanpur, Uttar Pradesh, India
2. Department of Periodontology, Inderprastha Dental College and Hospital, Ghaziabad, Uttar Pradesh, India
3. Department of Periodontology, Purvanchal Institute of Dental Sciences, Gorakhpur, Uttar Pradesh, India
4. Consultant Periodontist, Dr. Sarkar’s Dental Clinic and Implant Centre, Howrah, West Bengal, India