[1] Bambino Gesu IRCCS Pediat Hosp, Dept Ophthalmol, Rome, Italy
[2] Bambino Gesu IRCCS Pediat Hosp, Dept Pediat Hematol Oncol, Rome, Italy
[3] Bambino Gesu IRCCS Pediat Hosp, Dept Radiol, Rome, Italy
[4] Sapienza Univ Rome, Dept Ophthalmol, Rome, Italy
[5] Niguarda Ca Granda Metropolitan Hosp, Dept Ophthalmol, Milan, Italy