1. Trauma and Orthopaedic Department, Royal London Hospital, Whitechapel, London, E1 1BB, UK
2. South West London Elective Orthopaedic Centre, Epsom, UK
3. Department of Biomedical Engineering, University of Florida, Florida, USA
4. Visiting Professor of Orthopaedics
5. Charles University, Prague, Czech Republic
6. St Georges University of London, Director of Research, South West London Elective Orthopaedic Centre, Epsom, UK
7. Royal National Orthopaedic Hospital, Stanmore, UK
8. Department of Mechanical and Aerospace Engineering, University of Florida, Florida, USA