1. Instutute of Paediatric Gastroenterology, Shaare Zedek Medical Center, Hebrew University of Jerusalem, Jerusalem, Israel
2. Division of GI/Hepatology/Nutrition, SickKids Hospital, University of Toronto, Toronto, ON, Canada
3. Paediatric Radiology Unit, Shaare Zedek Medical Center, Jerusalem, Israel
4. Department of Radiology, Hospital Regional Universitario Carlos Haya, Malaga, Spain
5. Department of Pediatric Gastroenterology, Jagiellonian University Medical College, Krakow, Poland
6. Department of Radiology, University of Munich, Munich, Germany
7. Paediatric Gastroenterology and Nutrition Unit, Edmond and Lily Safra Children’s Hospital, Tel Hashomer, Tel Aviv, Israel
8. Department of Paediatric Gastroenterology, Soroka University Medical Center and Ben Gurion University of the Negev, Beer Sheba, Israel
9. Department of Paediatric Gastroenterology, Hospital Sant Joan de Déu, Barcelona, Spain
10. Department of Radiology, Soroka University Medical Center and Ben Gurion University of the Negev, Beer Sheba, Israel
11. Department of Radiology, Cincinnati Children’s Hospital, Cincinnati, OH, USA
12. Department of Paediatric Gastroenterology, Schneider Medical Center, Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel
13. Department of Paediatric Gastroenterology, Rambam Medical Center, Haifa, Israel
14. Departments of Paediatrics, Leiden University Medical Center and Free University Medical Center, Amsterdam, The Netherlands
15. Department of Paediatric Gastroenterology and Clinical Nutrition, Royal Children’s Hospital, Melbourne, VIC, Australia