1. Department of Clinical Haematology, University College London Hospitals NHS Foundation Trust, London, UK
2. Department of Clinical Haematology, Royal Marsden Hospital NHS Foundation Trust, London, UK
3. Department of Clinical Haematology, The Christie Hospital NHS Foundation Trust, Manchester, UK
4. Department of Clinical Haematology, Cambridge University Hospitals NHS Foundation Trust, Cambridge, UK
5. Department of Nuclear Medicine, University College London Hospitals NHS Foundation Trust, London, UK
6. UCL Cancer Institute, University College London, London, UK