1 Department of Academic Orthopaedics, Queen's Medical Centre, University of Nottingham, C Floor, West Block, Derby Road, Nottingham, NG7 2UH, UK.
2 Trauma and Orthopaedic Department, University of Nottingham Hospitals, Nottingham, UK.
3 Department of Academic Orthopaedics, Queen's Medical Centre, University of Nottingham, C Floor, West Block, Derby Road, Nottingham, NG7 2UH, UK. [email protected].