1. Warwick Medical School, University
of Warwick, Clinical Sciences Research Institute, Clinical
Sciences Building, Clifford Bridge Road, Coventry
CV4 7AL, UK.
2. Centre for Clinical Research, Department
of Trauma and Orthopaedic Surgery, Unfalkrankenhaus
Berlin, Warener Street 7, 12683
Berlin, Germany.
3. Warwick Orthopaedics, Warwick Medical
School, University of Warwick, Coventry
CV2 2DX, UK.
4. Sir Charles Gairdner Hospital and The
University of Western Australia, Nedlands, Perth
6009, Western Australia, Australia.
5. Statistics and Epidemiology, Warwick
Medical School, University of Warwick, Coventry CV4
7AL, UK.