1. University of Warwick, Warwick Medical
School, Gibbet Hill Campus, Coventry
CV4 7AL, UK and Oxford University Hospitals NHS
Foundation Trust, Kadoorie Centre, John
Radcliffe Hospital, Oxford OX3 9DU, UK.
2. University of Oxford, Oxford Trauma, Nuffield
Department of Orthopaedics, Rheumatology and
Musculoskeletal Sciences, and Kadoorie Centre, John Radcliffe
Hospital, Oxford, OX3 9DU, UK.
3. University of Oxford, Oxford Clinical
Trials Research Unit, Nuffield Department of Orthopaedics, Rheumatology and
Musculoskeletal Sciences, and Botnar Research
Centre, Windmill Road, Oxford, OX3 7LD, UK.
4. University of Oxford, Oxford Trauma, Nuffield
Department of Orthopaedics Rhenmatology and Musculoskeletal Sciences, and
Kadoorie Centre, John Radcliffe Hospital, Oxford
OX3 9DU, UK.