1. Department of Haematology, Cardiff University School of Medicine, Cardiff, United Kingdom;
2. Department of Haematology, Nottingham University Hospital NHS Trust, Nottingham, United Kingdom;
3. Department of Haematology, Leicester Royal Infirmary, Leicester, United Kingdom;
4. Department of Haematology, Birmingham Heartlands Hospital, Birmingham, United Kingdom;
5. Department of Haematology, University Hospital of Wales, Cardiff, United Kingdom;
6. CRUK Clinical Trials Unit, University of Birmingham, Birmingham, United Kingdom;
7. Department of Haematology, Manchester Royal Infirmary, Manchester, United Kingdom;
8. Department of Haematology, Belfast City Hospital, Belfast, United Kingdom;
9. Department of Haematology, Castle Hill Hospital, Hull, United Kingdom; and
10. Department of Haematology, Leeds Teaching Hospitals NHS Trust, Leeds, United Kingdom