1. Department of Pediatric Surgery and Pediatric Minimally Invasive Surgery and New Technologies, San Bortolo Hospital, Vicenza, Italy.
2. Division of Pediatric Surgery, Department of Translational Medical Sciences, “Federico II” University of Naples School of Medicine, Naples, Italy.
3. Division of Pediatric Urology, Department of Nephrology and Urology “Bambino Gesù” Children's Hospital, Rome, Italy.
4. Department of Pediatrics, Second University of Naples, Naples, Italy.