1. Nuffield Division of Clinical Laboratory Sciences, Radcliffe Department of Medicine University of Oxford, John Radcliffe Hospital Oxford UK
2. Department of Haematology, Oxford Haemophilia & Thrombosis Centre, Churchill Hospital Oxford University Hospitals NHS Trust Oxford UK
3. NIHR BRC Blood Theme Oxford University Oxford UK
4. Centre for Trauma Sciences Blizard Institute, Queen Mary University of London London UK
5. Nuffield Department of Primary Care Health Sciences University of Oxford Oxford UK
6. NHS Blood and Transplant John Radcliffe Hospital Oxford UK