Institution: | 1. Pediatric Clinic, IRCCS Policlinico San Matteo Foundation, University of Pavia, Pavia Italy ; 2. Department of Diagnostic Medicine and Services, Radiology/Radiodiagnostic Service, IRCCS Policlinico San Matteo Foundation, Pavia Italy ; 3. Pediatric Clinic, IRCCS Policlinico San Matteo Foundation, Pavia Italy |