1. Department of Orthopaedics, The University of Edinburgh, Edinburgh, UK
2. Edinburgh Orthopaedics, Royal Infirmary of Edinburgh, Edinburgh, UK
3. Chapel Allerton Hospital, Leeds, UK
4. Department of Trauma and Orthopaedic Surgery, University College London Hospitals, London, UK
5. The Princess Grace Hospital, London, UK
6. The Bone & Joint Journal
, London, UK