1. Research Department South West London Elective Orthopaedic Centre Epsom UK
2. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences The University of Oxford Oxford UK
3. Trauma & Orthopaedic department Chelsea and Westminster Hospital NHS Trust London UK
4. Trauma & Orthopaedic department Salford Royal NHS Trust Salford UK
5. Trauma & Orthopaedic department St. George's University Hospitals NHS Foundation Trust London UK