[1] Osped Pediat Bambino Gesu, IRCCS, Dept Pediat Haematol Oncol, Rome, Italy
[2] Univ Pavia, Dept Pediat Sci, Pavia, Italy
[3] Osped Pediat Bambino Gesu, IRCCS, Dept Rheumatol, Rome, Italy
[4] Osped Pediat Bambino Gesu, IRCCS, Immunol Res Area, Rome, Italy