1. Women and Child Health Department, Hematology-Oncology Laboratory, Instituto di Ricerca Pediatrica, University of Padova, Padova, Italy;
2. Clinica Pediatrica, Università di Bologna, Ospedale “S. Orsola,” Bologna, Italy; and
3. Oncoematologia Pediatrica, IRCCS Ospedale Pediatrico Bambino Gesù, Roma, University of Pavia, Pavia, Italy