1. Hematology Department, Hôpital Saint Antoine Service d'Hématologie et Thérapie Cellulaire Paris France
2. Clinica di Ematologia, AOU Ospedali Riuniti Ancona Italy
3. Sorbonne Universités, UPMC Univ Paris 06, INSERM, Centre de Recherche Saint‐Antoine (CRSA) Paris France
4. EBMT Paris study office Paris France
5. Federico II University, Hematology Department Naples Italy
6. Department of Bone Marrow Transplantation, West German Cancer Center University Hospital of Essen Essen Germany
7. University Hospital of Munich‐LMU Munich Germany
8. Department of Hematology, Oncology and Stem Cell Transplantation, Faculty of Medicine University of Freiburg Freiburg Germany
9. Deutsche Klinik fuer Diagnostik, KMT Zentrum Wiesbaden Germany
10. CHU Bordeaux, Hôpital Haut‐Leveque Pessac France
11. Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation Hannover Medical School Hannover Germany
12. Hematology University Hospital Basel Basel Switzerland
13. Hôpital Lyon Sud, Hospices Civils de Lyon Pierre Benite France
14. CHU de Lille, LIRIC INSERM U995, Université de Lille Lille France
15. Klinikum Nuernberg, Medizinische Klinik, BMT‐Unit Nuernberg Germany
16. Department of Stem Cell Transplantation University Medical Center Hamburg‐Eppendorf Hamburg Germany
17. Hematology Hopitaux Universitaires de Strasbourg France
18. Ospedale San Raffaele s.r.l., Haematology and BMT Milan Italy
19. Hospital Clinic, Dept. of Hematology, IDIBAPS Barcelona Spain
20. Hematology Division and Bone Marrow Transplantation Chaim Sheba Medical Center Tel‐Hashomer Israel