[1] Univ Bologna, Dept Hematol Oncol L&A Seragnoli, Bologna, Italy
[2] Univ Bologna, Pediat Oncol & Hematol L Seragnoli, Bologna, Italy
[3] Univ Bari, Dept Genet & Microbiol, Bari, Italy
[4] Univ Turin, Orbassano, Italy
[5] Univ Naples Federico II, Naples, Italy
[6] Univ Roma La Sapienza, Rome, Italy