1. Centre for Haematology, Department of Immunology and Inflammation, Imperial College London, London W12 0NN, UK.
2. Medical Research Council (MRC) Weatherall Institute of Molecular Medicine (WIMM) Centre for Computational Biology, University of Oxford, Oxford OX3 9DS, UK.
3. Medical Research Council (MRC) Molecular Haematology Unit, MRC Weatherall Institute of Molecular Medicine, NIHR Biomedical Research Centre, University of Oxford, Oxford OX3 9DS, UK.
4. Hematopoiesis Section, National Human Genome Research Institute, National Institutes of Health, Bethesda, MD 20892-442, USA.
5. Ottawa Hospital Research Institute, 501 Smyth Box 511, Ottawa, ON K1H 8L6, Canada.
6. Department of Medicine II, Würzburg University Hospital, Interdisciplinary Center for Clinical Research (IZKF), Laboratory for Experimental Stem Cell Transplantation, Würzburg, Germany.
7. Department of Histopathology, Imperial College Healthcare Trust, Du Cane Road, London W12 0HS, UK.
8. School of Applied Sciences, London South Bank University, London SE1 0AA, UK.
9. Department of Paediatrics, Children’s Hospital, John Radcliffe, University of Oxford, Oxford OX3 9DU, UK.
10. Department of Paediatrics, Imperial College Healthcare Trust, St Mary’s Hospital, Praed Street, London W2 1NY, UK.
11. Department of Cellular and Molecular Medicine, University of Ottawa, 501 Smyth Road, Ottawa, ON K1H 8L6, Canada.