1. Department of Pediatrics“Lalla Seràgnoli,”Hematology‐Oncology UnitUniversity of Bologna Bologna Italy
2. Pediatric Onco‐HematologyStem Cell Transplantation and Cellular Therapy DivisionRegina Margherita Children's Hospital Torino Italy
3. Department of Paediatric Haematology‐Oncology and Cell and Gene TherapyIRCCS Ospedale Pediatrico Bambino Gesù Rome Italy
4. Department of Public Health and Paediatric SciencesUniversity of Torino Torino Italy
5. Department of PediatricsSapienza University of Rome Rome Italy