1. Azienda Sanitaria Provinciale; Ragusa Italy
2. Istituto di Ricerca Pediatrica; Fondazione Città della Speranza; Padova Italy
3. Department of Women's and Children's Health; Clinic of Pediatric Hemato-Oncology; University of Padova; Italy
4. Pediatric Oncology Department; Santobono-Pausilipon Hospital of Napoli; Italy
5. Department of Pediatrics; Division of Pediatric Hematology-Oncology; Bari Italy
6. Department of Oncology; Pediatric Hematology and Oncology Unit; A.R.N.A.S. Ospedali Civico Di Cristina e Benfratelli; Palermo Italy
7. Dipartimento di Onco-Ematologia Pediatrica; Ospedale Bambino Gesù; Roma Italy
8. Division of Pediatric Hematology and Oncology; Ospedale G.Salesi; Ancona Italy
9. Department of Pediatrics; Ospedale Papa Giovanni XXIII; Bergamo Italy
10. Pediatric Hematology-Oncology; Ospedale Pediatrico Microcitemico; Cagliari Italy
11. Clinica Pediatrica; Università degli Studi di Milano-Bicocca; Azienda Ospedaliera San Gerardo; Monza Italy
12. Department of Hematology-Oncology; Istituto Giannina Gaslini; Genova Italy
13. Department of Pediatric Hematology-Oncology; Azienda Ospedaliero-Universitaria Meyer Children Hospital; Firenze Italy
14. Division of Pediatric Onco-Hematology; Regina Margherita Children's Hospital; Torino Italy
15. Pediatric Hematology-Oncology; Policlinico di Catania; Italy
16. Pediatric Hematology-Oncology; Azienda Ospedaliera Universitaria Integrata Verona; Italy
17. Oncoematologia Pediatrica; Azienda Ospedaliera-Universitaria di Perugia; Italy