1. Haematology; Department of Cellular Biotechnologies and Haematology; ‘Sapienza’ University; Rome Italy
2. Haemato-Oncology Unit; Department of Women's and Children's Health; University of Padua; Padua Italy
3. Clinical Experimental Haematology Unit; Gaslini Research Institute of Genoa; Genoa Italy
4. Paediatric Haematology Unit; Pausilipon Hospital; Naples Italy
5. Department of Paediatrics; Paediatric Unit ‘F. Vecchio’; University of Bari; Bari Italy
6. Division of Haematology; ‘Bianchi-Melacrino-Morelli’ Hospital; Reggio Calabria Italy
7. Department of Paediatrics; Haemato-Oncology Unit; ‘Casa Sollievo della Sofferenza’ Hospital; San Giovanni Rotondo Italy
8. Paediatric Haemato-Oncology Unit; Sant'Anna Hospital; Ferrara Italy
9. Haemato-Oncology Unit; Azienda Ospedaliera ‘Pugliese-Ciaccio’; Catanzaro Italy
10. Department of Paediatrics; University of Milano-Bicocca; Monza Italy
11. Haemato-Oncology Unit; Department of Paediatrics; University of Bologna; Bologna Italy
12. Department of Paediatrics; University of Pavia; Pavia Italy
13. Paediatric Haematology-Oncology; IRCCS Ospedale Paediatrico Bambino Gesù; Rome Italy
14. Biostatistics Unit; GIMEMA Foundation; Rome Italy
15. Department of Clinical and Biological Sciences; University of Turin at Orbassano; Turin Italy