[1] Inst Maternal & Child Hlth IRCCS Burlo Garofolo, Dept Paediat Surg & Urol, Trieste, Italy
[2] Univ Trieste, Trieste, Italy
[3] Inst Maternal & Child Hlth IRCCS Burlo Garofolo, Dept Paediat Radiol, Trieste, Italy
[4] Univ Trieste, Dept Pathol, Trieste, Italy