Arvind Kumar1, Aditya Jain1, Samarth Mittal2, Naveed Aga3. 1. Department of Orthopaedics, AIIMS, Ansari Nagar, New Delhi, 110029, India. 2. Department of Orthopaedics, JPN Apex, Trauma Centre, AIIMS, Ansari Nagar, New Delhi, 11009, India. Electronic address: samarthmittal@gmail.com. 3. Queen's Medical Centre, Nottingham, UK.