1. Unit of Pediatric Surgery and Urology, Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy
2. Department of Pediatric Surgery, Children’s Hospital Burlo Garofolo, Via dell’Istria 65/1, 34100 Trieste, Italy
3. Operatory Theatres, Institute for Maternal and Child Health, IRCCS Burlo Garofolo, Trieste, Italy