1. Department of Clinical and Experimental Oncology, Division of Bone Marrow Transplantation and Lymphoma, Comprehensive Cancer Centre, Maria Sklodowska-Curie Memorial Institute-Gliwice Branch, Gliwice, Poland;
2. European Group for Blood and Marrow Transplantation, Acute Leukemia Working Party, Hopital Saint-Antoine, Assistance Publique–Hopitaux de Paris (AP-HP) and Université de Paris 6, Pierre et Marie Curie, Paris, France;
3. Universitaetsklinikum Dresden, Medizinische Klinik und Poliklinik I, Dresden, Germany;
4. Department of Bone Marrow Transplantation, University Hospital, Essen, Germany;
5. Unité de transplantation et de thérapie cellulaire, Inserm Unite Mixte de Recherche 891, Institut Paoli Calmettes, Marseille, France;
6. Department of Hematology, Hemostasis, Oncology and Stem Cell Transplantation, Hannover Medical School, Hannover, Germany;
7. Department of Hematology and Bone Marrow Transplantation, San Martino Hospital, Genoa, Italy;
8. Department of Hematology and Bone Marrow Transplantation, Silesian Medical University, Katowice, Poland;
9. Department of Hematology, Federal University of Minas Gerais, Belo Horizonte, Brazil;
10. Stem Cells and Cell Therapy Centre, San Martino Hospital, Genoa, Italy; and
11. Department of Hematology, Hôpital Saint-Louis, AP-HP, Paris, France