1Department of Orthopaedics, Sancheti Institute for Orthopaedics and rehabilitation, Pune, Maharashtra, India.
Address for correspondence: Dr Ashok K Shyam, Sancheti Research department, Sancheti Institute for Orthopaedics and Rehabilitation, first floor, Shivaji nagar, Pune, Maharashtra, India. Email: drashokshyam@yahoo.co.uk