1. Mechanical Engineering and Design; Aston University; Birmingham B4 7ET United Kingdom
2. Department of Mechanical Engineering; Imperial College London; London SW7 2AZ United Kingdom
3. Service de Chirurgie Orthopedique et Traumatologique; Université Paris Descartes, Hôpital Européen Georges Pompidou; Paris France
4. Radiology, St Mary's Hospital; London W2 1NY United Kingdom
5. Musculoskeletal Surgery; Imperial College London; London W6 8RF United Kingdom