1. Department of HaematologyOxford University Hospitals NHS Foundation Trust Oxford United Kingdom
2. MRC Molecular Haematology UnitUniversity of Oxford Oxford United Kingdom
3. NIHR Oxford Biomedical Research Centre Oxford United Kingdom
4. Centre for Statistics in Medicine, Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal SciencesUniversity of Oxford Oxford United Kingdom
5. Oncology Clinical Trials Office (OCTO), Department of OncologyUniversity of Oxford Oxford United Kingdom
6. Departments of Pathology and MedicineStanford University Stanford California
7. National Health Service Blood and Transplant Oxford United Kingdom