1. Centre for Cancer Research and Cell Biology; Queen's University of Belfast; Belfast UK
2. EBMT, Department of Medical Statistics and Bioinformatics; Leiden University Medical Center; Leiden The Netherlands
3. Department of Haematology, Addenbrooke's Hospital; Cambridge University; Cambridge UK
4. Cell Therapy Section, Department of Clinical Immunology; Rigshospitalet; Copenhagen Denmark
5. Charles University Hospital; Prague Czech Republic
6. Department of Haematology; Hammersmith Hospital; London UK
7. Istituto di Ematologia; Universita Cattolica S. Cuore; Rome Italy
8. Department of Hematology; University Medical Center Groningen; Groningen The Netherlands
9. Department of Hematology; University Hospital; Lund Sweden
10. European Institute of Oncology; Milan Italy
11. Klinikum Harlaching; Munich Germany
12. University Hospital Bern; Bern Switzerland
13. Department of Hematology and Oncology; University of Milan; Milan Italy
14. Department of Haematology; Belfast City Hospital; Belfast UK
15. Department of Stem Cell Transplantation; University Hospital Hamburg-Eppendorf; Hamburg Germany
16. Department of Hematology; Radboud University Nijmegen Medical Centre; Nijmegen The Netherlands
17. Department of Medicine; Helsinki University Central Hospital; Helsinki Finland