1. Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, UK.
2. Department of Haematology, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0PT, UK.
3. National Health Service (NHS) Blood and Transplant, Cambridge Biomedical Campus, Cambridge CB2 0PT, UK.
4. European Molecular Biology Laboratory, European Bioinformatics Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SD, UK.
5. Department of Molecular Biology, Radboud University, 6525 GA Nijmegen, Netherlands.
6. Sanger Institute–EBI Single-Cell Genomics Centre, Wellcome Trust Sanger Institute, Hinxton, Cambridge CB10 1SA, UK.
7. Medical Research Council Biostatistics Unit, Cambridge Biomedical Campus, Cambridge CB2 0SR, UK.
8. Department of Haematology, University College London Cancer Institute, London WC1E 6DD, UK.
9. The Katharine Dormandy Haemophilia Centre and Thrombosis Unit, Royal Free NHS Trust, London NW3 2QG, UK.
10. CHIME Institute, University College London, Archway Campus, London NW1 2DA, UK.
11. Auckland Bioengineering Institute, University of Auckland, Auckland 1010, New Zealand.
12. Centre for Genomic Regulation and University Pompeu Fabra, 08002 Barcelona, Spain.
13. Imperial College Healthcare NHS Trust, DuCane Road, London W12 0HS, UK.
14. Ealing Hospital NHS Trust, Southall, Middlesex UB1 3HW, UK.
15. Pathology and Laboratory Medicine, University of Western Australia, Crawley, Western Australia 6009, Australia.
16. Department of Laboratory Medicine, Laboratory of Hematology, Radboud University Medical Center, 6525 GA Nijmegen, Netherlands.
17. Assistance Publique–Hopitaux de Paris, INSERM U1009, 94805 Villejuif, France.
18. Biomedical Research Centre, Norwich Medical School, University of East Anglia, Norwich NR4 7TJ, UK.
19. Center for Molecular and Vascular Biology, University of Leuven, 3000 Leuven, Belgium.
20. Cambridge University Hospitals NHS Foundation Trust, Cambridge Biomedical Campus, Cambridge B2 0QQ, UK.
21. Department of Haematology, Hammersmith Campus, Imperial College Academic Health Sciences Centre, Imperial College London, London W12 0HS, UK.
22. Department of Twin Research & Genetic Epidemiology, Genetics and Molecular Medicine Division, St Thomas’ Hospital, King’s College, London SE1 7EH, UK.
23. School of Cellular and Molecular Medicine, University of Bristol, Bristol BS8 1TD, UK.
24. Department of Oncology, Addenbrooke’s Cambridge University Hospital NHS Trust, Cambridge Biomedical Campus, Cambridge CB2 0RE, UK.
25. Cancer Research UK, Cambridge Institute, Cambridge Biomedical Campus, Cambridge CB2 0RE, UK.
26. School of Clinical Sciences, University of Bristol, Bristol BS2 8DZ, UK.
27. Genome Biology and Developmental Biology Units, European Molecular Biology Laboratory, 69117 Heidelberg, Germany.
28. Wellcome Trust—Medical Research Council Stem Cell Institute, University of Cambridge, Cambridge CB2 1QR, UK.
29. Department of Haematology, Cambridge Institute for Medical Research, University of Cambridge, Cambridge Biomedical Campus, Cambridge CB2 0XY, UK.