1. Department of Pediatrics, Lalla Seràgnoli, Hematology-Oncology Unit, University of Bologna, Italy;
2. Department of Woman and Child Health, Laboratory of Hematology-Oncology, University of Padova, Padova, Italy;
3. Giorgio Prodi Cancer Research Center, University of Bologna,
4. Biocomputing Group, Department of Biological, Geological and Environmental Sciences, University of Bologna, Bologna, Italy; and
5. Department of Pediatric Hematology-Oncology, Istituto di Ricovero e Cura a Carattere Scientifico Ospedale Bambino Gesù, Rome, University of Pavia, Italy