1. Paediatric Onco-Haematology; Stem Cell Transplantation and Cellular Therapy Division; Regina Margherita Children's Hospital; Turin Italy
2. Department of Paediatric Onco-Haematology; IRCCS; Policlinico San Matteo Foundation; Pavia Italy
3. Department of Paediatric Haematology Oncology; G. Gaslini Institute; Genoa Italy
4. Department of Paediatric Haematology; San Gerardo Hospital; Monza Italy
5. Department of Paediatrics; University of Pisa; Pisa Italy
6. BMT Unit; Department of Paediatric Haemato-Oncology; Santobono-Pausilipon Hospital; Naples Italy
7. Haematology Unit; Paediatric Department; University of Turin; Turin Italy
8. Department of Paediatric Haematology-Oncology; Istituto di Ricovero e Cura a Carattere Scientifico (IRCCS); Bambino Gesù Children's Hospital; Rome Italy
9. University of Pavia; Pavia Italy
10. Paediatric Oncology and Haematology Unit “Lalla Seragnoli”; Department of Paediatrics; University of Bologna Sant'Orsola-Malpighi Hospital; Bologna Italy