1. Pediatric Unit Fondazione IRCCS Istituto Nazionale dei Tumori Milan Italy
2. Medical Statistics, Biometry and Bioinformatics Unit Fondazione IRCCS Istituto Nazionale dei Tumori Milan Italy
3. Hematology Oncology Division Department of Women's and Children's Health University of Padova Padua Italy
4. UOC Oncologia IRCCS Istituto Gaslini Genoa Italy
5. General Surgery Department Bambino Gesù Children's Hospital, IRCCS Rome Italy
6. Pediatric Hematology/Oncology Cell and Gene Therapy Department Bambino Gesù Children's Hospital, IRCCS Rome Italy
7. Urologic Surgery Unit Fondazione IRCCS Istituto Nazionale dei Tumori Milan Italy
8. Pediatric Hematology and Oncology Unit, ARNAS “Civico Di Cristina and Benfratelli” Hospitals Palermo Italy