1. Department of Oral Medicine and Radiology Centre for Dental Education and Research, All India Institute of Medical Sciences Ansari Nagar New Delhi India
2. Department of Oral Medicine and Radiology Maulana Azad Institute of Dental Sciences, MAMC Complex New Delhi India
3. Department of Medicine & In‐charge Hemophilia Day Care Centre Lok Nayak Hospital and Maulana Azad Medical College New Delhi India