1. Hematology and Oncology Division; Department of Woman and Child Health; Padova University Hospital; Padova Italy
2. Pediatric Oncology Unit; Fondazione IRCCS Istituto Nazionale Tumori; Milano Italy
3. Hematology/Oncology; Ospedale Pediatrico Bambino Gesù IRCCS; Roma Italy
4. Radiotherapy Division; Istituto Oncologico Veneto; Padova Italy
5. Pediatric Hematology Oncology Unit; S. Chiara-Pisa University Hospital AOUP; Pisa Italy
6. Pediatric Hematology-Oncology Division; University of Bari; Bari Italy
7. Pediatric Oncology Unit; Infermi Hospital; Rimini Italy
8. Pediatric Onco-Hematology; Stem Cell Transplantation and Cellular Therapy Division; Regina Margherita Children's Hospital; Torino Italy