1. Department of Orthopaedics, Command Hospital (WC) Chandimandir, Panchkula, India.
2. Department of Medicine, Command Hospital (WC) Chandimandir, Panchkula, India.
3. Department of Orthopaedics, Base Hospital Delhi Cantt, New Delhi, India.
4. Department of Orthopaedics, Armed Forces Medical College, Pune, India.
5. Department of Neuro-Anaesthesia and Critical Care, Armed Forces Medical College, Pune, India.