1. Royal Liverpool and Broadgreen University Teaching Hospitals NHS Trust; Liverpool UK
2. University College London Hospitals NHS Foundation Trust; London UK
3. Hull and East Yorkshire Hospitals NHS Trust; Hull UK
4. Wellcome Trust Sanger Institute; Cambridge UK
5. Faculty of Medicine; University of Southampton; Southampton UK
6. Department of Haematology; University Hospital Southampton; Southampton UK
7. Heart of England NHS Foundation Trust; Birmingham UK
8. Guy's and St Thomas’ NHS Foundation Trust; London UK
9. Division of Cancer & Genetics; School of Medicine; Cardiff University; Cardiff UK
10. King's College Hospital NHS Foundation Trust; London UK
11. MRC Molecular Haematology Unit; Weatherall Institute of Molecular Medicine; University of Oxford and BRC Blood Theme; NIHR Oxford Biomedical Centre; Oxford UK
12. Imperial College London; St Mary's Hospital; London UK