1. Department of Child and Maternal Health; Clinic of Pediatric Hematology Oncology; Azienda Ospedaliera-Università di Padova; Padova Italy
2. Department of Child and Maternal Health; Clinic of Pediatric Hematology Oncology; Azienda Ospedaliera-Università degli Studi di Modena; Modena Italy
3. Department of Pediatric Clinic; San Gerardo Hospital; University of Milano-Bicocca; Monza Italy
4. Department of Pediatric Onco-Hematology; Children's Hospital; Brescia Italy
5. Department of Pediatric Onco-Hematology; Azienda Ospedaliera Universitaria Integrata; Verona Itlay
6. Department of Pediatric Hematology and Oncology; Department of Clinical and Experimental Medicine; University of Catania; Catania Italy
7. Department of Pediatric Onco-Hematology; Azienda Ospedaliero-Universitaria di Parma; Parma Italy
8. Department of Woman; Child and General and Specialist Surgery; Università degli Studi della Campania “Luigi Vanvitelli,”; Napoli Italy
9. Clinic of Pediatric Hematology Oncology; Policlinico S. Orsola-Malpighi; Bologna Italy
10. Haematology Unit; I.R.C.C.S. Istituto Giannina Gaslini; Genoa Italy
11. Pediatria; Policlinico di Bari; Bari Italy
12. Campus of Haematology Franco e Piera Cutino-A.O.O.R. “Villa Sofia-Cervello,”; Palermo Italy
13. Hematology-Thalassemia and Congenital Anemia Center; Galliera Hospital; Genoa Italy