1. Department of Haematology University of Cambridge Cambridge Biomedical Campus CambridgeUK
2. National Health Service Blood and Transplant Cambridge Biomedical Campus CambridgeUK
3. Department of Haematology Barts Health NHS Trust LondonUK
4. MRC Biostatistics Unit University of Cambridge Cambridge Institute of Public Health, Forvie Site, Robinson Way CambridgeUK
5. NIHR BioResource Cambridge University Hospitals NHS Foundation Cambridge Biomedical Campus CambridgeUK
6. School of Cellular and Molecular Medicine University of Bristol BristolUK
7. Department of Biostatistics and Epidemiology Faculty of Medicine Imperial College London LondonUK
8. Human Genetics Wellcome Sanger Institute Wellcome Genome Campus HinxtonUK
9. National Institute for Health Research Blood and Transplant Research Unit (NIHR BTRU) in Donor Health and Genomics University of Cambridge Cambridge UK