1. Department of Pediatric Hematology and Oncology, Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS) Ospedale Bambino Gesù, Università di Pavia, Rome, Italy;
2. Eurocord, Hôpital Saint Louis Assistance Publique-Hôpitaux de Paris, University Paris VII, Paris, France;
3. Rome Transplant Network, University Tor Vergata, Rome, Italy;
4. Center for International Blood and Marrow Transplant Research, Milwaukee, WI;
5. Blood and Marrow Transplant Program, University of Minnesota, Minneapolis, MN;
6. Pediatric Hematology-Oncology, Fondazione IRCCS Policlinico San Matteo, Pavia, Italy;
7. Division of Blood and Marrow Transplantation, Department of Pediatrics, Duke University Medical Center, Durham, NC;
8. Bone Marrow Transplant, Federal University of Parana, Curitiba, Brasil;
9. Department of Haematology, Sheffield Children’s Hospital, Sheffield, UK;
10. Hospital Vall d’Hebron, Barcelona, Spain;
11. Starship Hospital, Auckland, New Zealand;
12. Department of Pediatric Hematology Oncology and BMT Unit, Schneider Children’s Medical Center of Israel, Petah-Tikva, Israel;
13. Cord & Marrow Transplant Program, Centre for Children’s Cancer & Blood Disorders, Sydney Children's Hospital, Sydney, Australia;
14. Centre Hospitalier Universitaire Sainte-Justine, Montreal, Canada;
15. Instituto Nacional de Cancer, Rio de Janeiro, Brasil;
16. Division of Pediatric Hematology and Oncology, University Children's Hospital Freiburg, Freiburg, Germany; and
17. Paediatric Diseases Working Party-European Group for Blood and Marrow Transplantation, St-Anna Kinderspital, Vienna, Austria