1. Department of Orthopaedics, Maulana Azad Medical College and Associated Hospitals, New Delhi, India
2. Department of Orthopaedics, Sushruta Trauma Centre, Metcalf road, New Delhi, India
3. Department of Orthopaedics, S P Medical College and associated Hospitals, Bikaner, Rajasthan, India
4. Department of Orthopaedics, All India Institute of Medical sciences, Ansari Nagar, New Delhi, India