1. Oxford Haemophilia and Thrombosis Centre Nuffield Orthopaedic Centre Oxford UK
2. Rheumatology Department Nuffield Orthopaedic Centre Oxford UK
3. Radiology Department Nuffield Orthopaedic centre Oxford UK
4. Haemophilia, Haemostasis & Thrombosis Centre, Basingstoke & North Hampshire Hospital Basingstoke UK