1. Registrar, Department of Trauma and Orthopaedics, Ninewells Hospital and Medical School, Dundee, UK
2. Limb Reconstruction and Orthopaedic Trauma Fellow, Orthopaedic Research Unit, Department of Orthopaedic Surgery, Groote Schuur Hospital, Cape Town, South Africa
3. Welcome Trust Clinical Research Fellow, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool, UK
4. Consultant Surgeon and Professor, Orthopaedic Research Unit, Department of Orthopaedic Surgery, Groote Schuur Hospital, Cape Town, South Africa
5. Consultant Surgeon and Professor, Department of Trauma and Orthopaedics, Countess of Chester Hospital, Chester, UK