1. Klinikum Augsburg, Department of Hematology and Oncology, University of Munich, Augsburg, Germany;
2. Faculté de Médicine Saint-Antoine and European Group of Blood and Bone Marrow Transplantation (EBMT) Data Office, Paris, France;
3. Hopital St. Louis, Department of Hematology–Blood and Marrow Transplantation (BMT), Paris, France;
4. Centre Hospitalier Regional Universitaire (CHRU) Besançon, Service d'Hématologie, Besançon, France;
5. Helsinki University Hospital, Comprehensive Cancer Center, Stem Cell Transplantation Unit, Helsinki, Finland;
6. Institut Universitaire du Cancer de Toulouse Oncopole, Hematology Department, Toulouse, France;
7. Gustave Roussy, Institut de Cancérologie-BMT Service, Division of Hematology-Department of Medical Oncology, Villejuif, France;
8. Centre Hospitalier Universitaire (CHU) Bordeaux-Hôpital Haut-Leveque, Pessac, France;
9. Erasmus MC-Daniel den Hoed Cancer Centre, Rotterdam, Netherlands;
10. CHU Nantes-Department D‘Hematologie, Nantes, France;
11. University Hospital Gasthuisberg, Department of Hematology, Leuven, Belgium;
12. Charles University Hospital-Department of Hematology/Oncology, Pilsen, Czech Republic;
13. Programme de Transplantation & Therapie Cellulaire, Centre de Recherche en Cancérologie de Marseille-Institut Paoli Calmettes, Marseille, France;
14. University Hospital, Lund, Sweden;
15. CHRU, Service des Maladies du Sang, Angers, France;
16. Department of Medicine, Division of Hematology, University of Liège, Belgium;
17. Department of Hematology, Ospedale San Raffaele, Università degli Studi, Milano, Italy;
18. Faculté de Médicine Saint-Antoine, Paris, France;
19. Long-Term Transplant Clinic, Vanderbilt University Medical Center, Nashville, TN;
20. Maria Sklodowska-Curie Cancer Center and Institute of Oncology, Gliwice Branch, Gliwice, Poland;
21. Faculté de Médicine Saint-Antoine and EBMT data office, Paris, France;
22. Department of Hematology, Hospital Clinic, Institut D'investigacions Biomediques August Pi y Sunyer, Barcelona, Spain;
23. Chaim Sheba Medical Center, Tel-Hashomer, Israel; and
24. Faculté de Médicine Saint-Antoine and EBMT Data Office, Paris, France