1. Hematology Unit, University of Perugia, Polo Unico S.M. Misericordia, Perugia, Italy;
2. Oncohematology, Department of Women’s and Children’s Health, University of Padova, Padova, Italy;
3. Leukaemia Research Cytogenetics Group, Northern Institute for Cancer Research, Newcastle University, Newcastle-upon-Tyne, United Kingdom;
4. Centro Ricerca Tettamanti, Pediatric Clinic University of Milano-Bicocca, Monza, Italy; and
5. Division of Hematology, “Sapienza” University of Rome, Rome, Italy