1. Utah Blood and Marrow Transplantation Program Huntsman Cancer Institute Salt Lake City Utah
2. EBMT Paris study office/CEREST‐TC Paris France
3. Department of Haematology Saint Antoine Hospital, Université Pierre & Marie Curie, INSERM Paris France
4. Department of Bone Marrow Transplantation West German Cancer Center, University Hospital of Essen, University of Duisburg‐Essen Germany
5. Department of Medicine‐Hematology, Oncology University of Freiburg Germany
6. Programme de Transplantation & Therapie Cellulaire Centre de Recherche en Cancérologie de Marseille, Institut Paoli Calmettes Marseille France
7. Department of Hematology, Hemostasis, and Oncology Hannover Medical School Germany
8. Division of Medicine, Department of Hematology and Stem Cell Transplantation Unit Turku University Hospital Turku Finland
9. Department D'Hématologie CHU Nantes Nantes France
10. Department of Hematology, Centre Hospitalier Lyon Sud Lyon France
11. Department of Haematology University Hospital Gasthuisberg Leuven Belgium
12. CHU de Lille Université de Lille Lille France
13. Department of Hematology, Institut Gustave Roussy Villejuif France
14. Division of Hematology/Oncology Vanderbilt University Medical Center Nashville Tennessee
15. Hematology Division Chaim Sheba Medical Center Tel Hashomer Israel