[1] Univ Turin, San Luigi Gonzaga Hosp, Div Internal Med & Hematol, Turin, Italy
[2] Univ Turin, Dept Clin & Biol Sci, Orbassano, Italy
[3] Univ Turin, Dept Clin & Biol Sci, Turin, Italy
[4] G Gaslini Inst Children, Stem Cell & Cellular Therapy Lab, Genoa, Italy
[5] Univ Turin, San Luigi Gonzaga Hosp, Dept Clin & Biol Sci, Turin, Italy