1. Paediatric Hematology Oncology, Azienda Ospedaliera Universitaria Integrata Ospedale Borgo Roma, P.le L.A. Scuro 10, 37134 Verona, Italy
2. Paediatric Hematology Oncology, Regina Margherita Hospital, P.zza Polonia 94, 10126 Torino, Italy
3. Paediatric Hematology, G. Gaslini Institute, Via Gerolamo Gaslini 5, 16148 Genova, Italy
4. Paediatric Hematology Oncology, Azienda Ospedaliera, Via Gramsci 14, 43100 Parma, Italy
5. Paediatrics, Azienda Ospedaliera, Via Lorenz Böhler 5, 39100 Bolzano, Italy
6. Paediatric Hematology Oncology, Azienda Ospedaliera Universitaria Meyer, Viale Pieraccini 24, 50139 Firenze, Italy
7. Paediatric Hematology Oncology, Casa Sollievo della Sofferenza Hospital, Viale Cappuccini 2, 71013 San Giovanni Rotondo, Italy
8. Paediatric Immunology and Infectious Diseases, Ospedale Bambin Gesù, Piazza di Sant’Onofrio, 4, 00165 Roma, Italy
9. Infectious Diseases, Azienda Ospedaliera, Via Giustiniani, 35128 Padova, Italy
10. Paediatric Hematology Oncology, Burlo Garofalo Institute, Via dell’Istria 65, 34137 Trieste, Italy
11. Medical Direction, A.O.U. Meyer, Children Hospital, Viale Pieraccini, 24, 50139 Firenze, Italy