1. Clinic of Pediatric Hemato-Oncology; Department of Women's and Children's Health; University of Padova; Padova Italy
2. Azienda Sanitaria Provinciale; Ragusa Italy
3. Istituto di Ricerca Pediatrica; Fondazione Citt; à; della Speranza; Padova Italy
4. Clinica Pediatrica; Università degli Studi di Milano-Bicocca; Azienda Ospedaliera San Gerardo; Monza Italy
5. Pediatric Oncology Department; Santobono-Pausilipon Hospital of Napoli; Napoli Italy
6. Department of Hematology-Oncology; Istituto Giannina Gaslini; Genova Italy
7. Department of Oncology; Pediatric Hematology and Oncology Unit; A.R.N.A.S. Ospedali Civico Di Cristina e Benfratelli; Palermo Italy
8. Pediatric Hematology-Oncology; Policlinico di Catania; Catania Italy
9. Division of Paediatric Haematology-Oncology; Department of Pediatrics; Bari Italy
10. Division of Pediatric Onco-Hematology; Regina Margherita Children's Hospital; Torino Italy
11. Dipartimento di Onco-Ematologia Pediatrica; Ospedale Bambino Gesù; Roma Italy
12. Oncology-Haematology and BMT Unit; Ospedale dei Bambini; Spedali Civili; Brescia Italy
13. Pediatric Hematology-Oncology; Azienda Ospedaliera Universitaria Integrata Verona; Verona Italy
14. Hematology; Department of Cellular Biotechnologies and Hematology; Roma Italy
15. Pediatric Oncology Service,; Pediatric Department, Second University of Napoli; Napoli Italy
16. Pediatric Hematology-Oncology; Ospedale Pediatrico Microcitemico; Cagliari Italy
17. Department of Pathology; San Bortolo Hospital; Vicenza Italy