1. 1Department of Pediatric Hematology/Oncology, Cell and Gene Therapy, Istituto di Ricovero e Cura a Carattere Scientifico Bambino Gesù Children’s Hospital, Rome, Italy
2. 2Transfusion Unit, Department of Laboratories, Istituto di Ricovero e Cura a Carattere Scientifico Bambino Gesù Children's Hospital, Rome, Italy
3. 3Pediatric Hematology, Oncology and Stem Cell Transplant Division, Maternal and Child Health Department, University of Padua, Padua, Italy
4. 4Laboratory of Clinical and Experimental Immunology, IRCCS Istituto Giannina Gaslini, Genoa, Italy
5. 5Laboratory of Pathology and Experimental Immunology, IRCCS Ospedale Policlinico San Martino, Genoa, Italy
6. 6Department of Health Science and Public Health, Catholic University of the Sacred Heart, Rome, Italy