1. Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences (NDORMS); University of Oxford; Oxford UK
2. Haematology/Transfusion Medicine; NHS Blood and Transplant; Oxford UK
3. National Institute for Health Research (NIHR) Oxford Biomedical Research Centre; Oxford University Hospitals NHS Foundation Trust and University of Oxford; Oxford UK
4. Systematic Review Initiative; NHS Blood and Transplant; Oxford UK
5. Trauma & Orthopaedics Surgery Group; Blizard Institute, Queen Mary University of London; London UK
6. The Royal London Hospital Barts Health NHS Trust; London UK