1. Department of Radiology; Istituto Giannina Gaslini; Genoa Italy
2. Department of Radiology and Intervention Unit for Paediatric Radiology; Oslo University Hospital; Ullevål Norway
3. Department of Nephrology; Istituto Giannina Gaslini; Genoa Italy
4. Department of Paediatric Nephrology; Great Ormond Street Hospital for Children NHS Foundation Trust; London UK
5. Division of Pediatric Radiology; Department of Radiology; University Hospital Graz; Graz Austria