1. Faculty of Medicine and Surgery University of Trieste Trieste Italy
2. Department of Paediatric Surgery and Urology Institute for Maternal and Child Health, IRCCS “Burlo Garofolo” Trieste Italy
3. Radiology Department Institute for Maternal and Child Health, IRCCS “Burlo Garofolo” Trieste Italy
4. Department of Paediatrics Institute for Maternal and Child Health, IRCCS “Burlo Garofolo” Trieste Italy