1. Norfolk and Norwich University NHS Trust; Department of Trauma and Orthopaedics; Norfolk and Norwich University Hospital Colney Lane Norwich Norfolk UK NR4 7UY
2. University of East Anglia; Faculty of Medicine and Health Sciences; Queen's Building Norwich Norfolk UK NR4 7TJ
3. St George's Hospital; Department of Trauma and Orthopaedic Surgery; Blackshaw Road Tooting London UK SW17 0QT