1. Unit of Blood Diseases and Stem Cells Transplantation, Department of Clinical and Experimental Sciences University of Brescia ASST Spedali Civili of Brescia
2. Leiden Data Office LUMC Leiden Netherlands
3. Department of Hematology University Hospital Eppendorf Hamburg Germany
4. Department of Hematology Hôpital Saint‐Louis, APHP Paris France
5. Department of Hematology University Hospital of Essen Essen Germany
6. Department of Hematology CHU Lille Lille France
7. Department of Hematology CHU Nantes Nantes France
8. Sorbonne University Paris France
9. Service d'Hématologie Clinique et Thérapie cellulaire Hopital Saint‐Antoine Paris France
10. INSERM Paris France
11. Department of Hematology University Hospital Basel Basel Switzerland
12. Department of Hematology CHRU BRABOIS Vandoeuvre Les Nancy France
13. Department of Hematology University Hospital Gasthuisberg Leuven Belgium
14. Department of Hematology University of Freiburg Freiburg Germany
15. Department of Hematology University Hospital Dresded Dresden Germany
16. Department of Hematology University Hospital Center Rebro Zagreb Croatia
17. Department of Hematology Silesian Medical Academy Katowice Poland
18. Department of Hematology Centre Hospitalier Universitaire de Rennes Rennes France
19. Department of Hematology Centre de Recherche en Cancérologie de Marseille Marseille France
20. Department of Hematology Dél‐pesti Centrumkórház Budapest Hungary
21. Hematology and Transplant Center IRCCS Ospedale Policlinico San Martino Genoa Italy
22. Department of Hematology Evangelismos Hospital Athens Greece
23. Department of Hematology Clínica Universitaria de Navarra Pamplona Spain
24. Department of Biomedical Data Sciences LUMC Leiden Netherlands
25. Department of Bone Marrow Transplantation and Onco‐Hematology Maria Sklodowska‐Curie National Research Institute of Oncology Gliwice Poland
26. Department of Hematology Hospital Clínico Universitario de Valencia Valencia Spain
27. Department of Hematology St. James's Hospital Dublin Ireland
28. Department of Hematology Guy's and St Thomas' NHS Foundation Trust and University College London Hospitals London UK
29. CHU de Lille Université de Lille Lille France