1. Department of Hematology, Oncology and Stem Cell Transplantation Faculty of Medicine University of Freiburg Freiburg Germany
2. Department of Clinical Haematology Nottingham University Hospitals NHS Trust Nottingham United Kingdom
3. Department of Hematology Oncology and Palliative Care, Klinikum Stuttgart Stuttgart Germany
4. Department of Medical Oncology & Institute for Clinical Epidemiology and Biostatistics University Hospital Basel Basel Switzerland
5. Department of Medical Oncology The Christie NHS Foundation Trust Manchester United Kingdom
6. Lymphoma Unit Department of Onco‐Hematology IRCCS San Raffaele Scientific Institute Milan Italy
7. Department of Haematology University College London Hospital London United Kingdom
8. Department of Haematology Churchill Hospital Oxford United Kingdom
9. Cancer Research UK Cancer Sciences University of Southampton Southampton United Kingdom
10. Department of Clinical Haematology Aintree University Hospital Liverpool United Kingdom
11. Department of Haematological Medicine King's College Hospital London United Kingdom
12. Department of Medicine Section of Hematology University of Verona Verona Italy
13. San Giovanni Battista Hospital and University Turin Italy
14. Department of Oncology Division of Hematology Azienda Ospedaliera Universitaria Senese Siena Italy