1. Eurocord, Hôpital Saint Louis Assistance Publique des Hôpitaux de Paris (AP-HP), University Paris VII, Paris, France;
2. Department of Rheumatology, University Hospital, Basel, Switzerland;
3. Hôpital Saint Antoine, Service d'Hématologie et Thérapie Cellulaire, AP-HP, Pierre and Marie-Curie University Paris 06, Unité Mixte de Recherche-S 938, CEREST-TC European Group for Blood and Marrow Transplantation, Paris, France;
4. Great North Children's Hospital, Royal Victoria Infirmary, Newcastle upon Tyne, United Kingdom;
5. Bone Marrow and Stem Cell Transplantation Program, King Hussein Cancer Center, Amman, Jordan;
6. Department of Haematology. University Hospital, Uppsala, Sweden;
7. Department of Hematology, Institut de Cancérologie Lucien Neuwirth, St Etienne, France;
8. Hospital General Universitario Gregorio Marañon, Hematology Department, Instituto de Investigación Sanitaria Gregorio Marañon. Madrid, Spain;
9. Department of Pediatric Hematology/Oncology Hopital Rennes, Rennes, France;
10. Department of Pediatric Hematology/Oncology, G. Gaslini Children's Research Institute, Genova, Italy;
11. University Medical Centre Utrecht, Department of Pediatric Blood and Bone Marrow Transplantation, Utrecht, The Netherlands;
12. Department of Haematology & Oncology, Our Lady's Children's Hospital, Dublin, Ireland;
13. Institut d'Hématologie et Oncologie Pédiatrique, Lyon, France;
14. Department of Hematology, University Hospitals, Leuven, Belgium;
15. University Hospital Motol, Department of Paediatric Haematology & Oncology Prague, Czech Republic;
16. Department of OncoHematology, Hopital Archet, Nice, France;
17. Bone Marrow Transplant Unit, Hôpital Saint Louis, Paris, France;
18. Hematological Institute, University Cattolica St Cuore, Rome, Italy;
19. Clinica di Oncoematologia Pediatrica, Padua; Italy;
20. Oncologia Pediatrica, Hospital Infantil La Fe, Valencia, Spain;
21. Department of Hematology, Hôpital St Antoine, AP-HP, Paris, France;
22. Department of Haematology, Sheffield Children's Hospital Foundation Trust, Sheffield, United Kingdom;
23. Departement of Pediatric Hematology, Akdeniz University Medical School, Antalya, Turkey;
24. Service de Médecine Interne et Pathologie Vasculaire Inserm U976, Saint Louis Hospital, Paris, France; and
25. Department of Haematology, Oxford Hospitals, University of Oxford, Oxford, United Kingdom