1. Department of Public Health and Primary Care University of Cambridge Cambridge UK
2. Department of Health Sciences University of Leicester Leicester UK
3. NHS Blood and Transplant London, Oxford, Cambridge UK
4. Department of Haematology University of Cambridge Cambridge UK
5. Anglia Ruskin University Chelmsford UK
6. Nuffield Department of Population Health University of Oxford Oxford UK
7. Radcliffe Department of Medicine and BRC Biomedical Centre – Haematology Theme, John Radcliffe Hospital University of Oxford Oxford UK