1. Department of Internal Medicine Faculty of Medicine and University Hospital Cologne Cologne Germany
2. National Centre for HIV Malignancy, Chelsea and Westminster Hospital London UK
3. Department of Internal Medicine University Hospital Centre Zagreb Croatia
4. Medical School University of Zagreb Zagreb Croatia
5. Department of Hematology Hospital General Universitario Gregorio Marañon Madrid Spain
6. Department of Clinical Haematology Versailles Hospital Versailles France
7. UVSQ, Université Paris‐Saclay, UFR Santé Simone Veil, Inserm, CESP Villejuif France
8. Department of Hematology and Oncology Goethe University Frankfurt, University Hospital Frankfurt Germany
9. Department of Medical Oncology, Division of Hematology ASST ‐ Spedali Civili Brescia Italy
10. HIV i‐BASE London UK
11. Department of Haematology University College Hospital London UK
12. Department of Hematology and Oncology Red Cross Hospital Munich, Ludwig Maximilian University Munich Germany
13. ICH Study Center Hamburg Germany
14. Department of Hematology Amsterdam University Medical Centers, Cancer Center Amsterdam Amsterdam The Netherlands
15. Department of Haemato‐Oncology, St Bartholomew's Hospital Barts Health NHS Trust London UK
16. Department of Hematology Institut Català d'Oncologia, Josep Carreras Leukaemia Research Institute, Universitat Autònoma de Barcelona Barcelona Spain
17. Department of Clinical Immunology Hôpital Saint‐Louis, APHP Paris France
18. Department of Hematology and Stem Cell Transplantation West German Cancer Center and German Cancer Consortium (DKTK partner site Essen), University Hospital Essen, University of Duisburg‐Essen Essen Germany
19. Institute of Experimental Cancer Research, Department of Internal Medicine III Ulm Germany
20. Department of Medicine III Ludwig‐Maximilians‐University Munich Germany
21. General Hospital, University Hospital NHS Trust Southampton UK