[1] Univ Naples Federico II, Inst Expt Endocrinol & Oncol, CNR, Naples, Italy
[2] Univ Naples Federico II, Div Hematol, Naples, Italy
[3] Univ Naples Federico II, Dept Cellular & Mol Biol & Pathol, Naples, Italy
[4] Natl Canc Inst, Dept Expt Oncol, Naples, Italy
[5] Univ Vita Salute San Raffaele, Mol Genet Unit, Dept Cell Biol & Funct Genom, Milan, Italy