1. Institute of Gastroenterology, Nutrition and Liver Disease, Schneider Children’s Medical Center , Petah Tikva , Israel
2. Faculty of Medicine, Tel Aviv University , Tel Aviv , Israel
3. Paediatric Gastroenterology Department, Al Jalila Children’s Specialty Hospital, Mohammed Bin Rashid University , Dubai , United Arab Emirates
4. Barts Health NHS Trust, The Royal London Children’s Hospital, Department of Paediatric Gastroenterology, Queen Mary University of London, Centre for Immunobiology, Blizard Institute , London , UK
5. 2nd Clinic of Pediatrics, ‘Iuliu Hatieganu’ University of Medicine and Pharmacy, Emergency Clinical Hospital for Children , Cluj-Napoca , Romania
6. Pediatric Gastroenterology Unit, Meir Medical Center , Kfar-Saba , Israel
7. Referral Center for Pediatric Gastroenterology and Nutrition, Children’s Hospital Zagreb , Zagreb , Croatia
8. The Juliet Keidan Institute of Pediatric Gastroenterology & Nutrition, Shaare Zedek Medical Center, The Hebrew University of Jerusalem , Jerusalem , Israel
9. Pediatric Gastroenterology Institute, ‘Dana-Dwek’ Children’s Hospital, Tel Aviv Sourasky Medical Center , Tel Aviv , Israel
10. Department of Clinical Science and Education, Södersjukhuset, Karolinska Institutet , Stockholm , Sweden
11. Sachs’ Children and Youth Hospital, Department of Gastroenterology, Södersjukhuset , Stockholm , Sweden
12. Pediatric Gastroenterology, Hepatology and Nutrition Institute, Sapienza University of Rome , Rome , Italy
13. Institute for Maternal and Child Health, IRCCS ‘Burlo Garofolo’ , Trieste , Italy
14. Department of Pediatrics, St-Marien-Hospital , Bonn , Germany
15. Department NEUROFARBA, University of Florence, Meyer Children’s Hospital , Florence , Italy
16. Pediatric Hepatology, Gastroenterology and Transplantation Unit, ASST Papa Giovanni XXIII , Bergamo , Italy
17. Department of Pediatrics, Hvidovre University Hospital , Copenhagen, Hvidovre , Denmark
18. Pediatric Gastroenterology and Liver Unit, University Children’s Hospital of the University Medical Centre Ljubljana , Ljubljana , Slovenia
19. Pediatric Gastroenterology and Cystic Fibrosis Unit, Department of Human Pathology in Adulthood and Childhood ‘G. Barresi’, University of Messina , Messina , Italy
20. Pediatric Gastroenterology and Nutrition Institute, Ruth Children’s Hospital of Haifa, Rambam Medical Center, Faculty of Medicine, Technion , Haifa , Israel
21. Service de Gastroentérologie et Nutrition Pédiatriques, Hôpital Universitaire Robert-Debré , Paris , France
22. Heim Pál National Pediatric Institute , Budapest , Hungary
23. Department of Paediatric Gastroenterology and Nutrition, Kidz Health Castle UZ Brussels, Free University Brussels , Brussels , Belgium
24. Department of Pediatrics, School of Medicine, Kyungpook National University , Daegu , Korea
25. Department of Pediatrics, 2nd Medical Faculty, Charles University and University Hospital Motol , Prague , Czech Republic
26. Pediatric Gastroenterology Unit, Maggiore Hospital , Bologna , Italy
27. Pdiatric Gastroenterology, Kaplan Medical Centre, Rehovot and the Faculty of Medicine, Hebrew University of Jerusalem , Jerusalem , Israel
28. Department of Pediatric Gastroenterology, Centro Materno Infantil do Norte, Centro Hospitalar e Universitário de Porto , Porto , Portugal
29. Division of Pediatric Gastroenterology and Nutrition, Edmond and Lily Safra Children’s Hospital , Ramat Gan , Israel
30. Children’s Health Ireland, UCD and RCSI , Dublin , Ireland
31. Department of Gastroenterology, Hepatology and Nutrition, Astrid Lindgren Children’s Hospital, Karolinska University Hospital , Stockholm Sweden
32. Gastroenterology and Nutrition Department, Hospital Infantil Universitario Niño Jesús , Madrid , Spain
33. Department of Paediatric Gastroenterology and Nutrition, Royal Hospital for Children and Young People , Edinburgh , UK
34. Department of Pediatric Gastroenterology, Great North Children’s Hospital , Newcastle , UK
35. Department of Translational Medical Science, Section of Pediatrics, University of Naples ‘Federico II’ , Naples , Italy
36. Pediatric Gastroenterology Unit, Emek Medical Center , Afula , Israel
37. The Ruth and Bruce Rappaport Faculty of Medicine, Technion – Israel Institute of Technology , Haifa , Israel
38. Department of Pediatric Gastroenterology, Hepatology and Nutrition, Hospital Sant Joan de Déu , Barcelona , Spain
39. Department of Paediatric Gastroenterology, Leeds Children’s Hospital, Leeds Teaching Hospitals NHS Trust , Leeds , UK
40. Children’s Hospital, University of Helsinki , Helsinki , Finland
41. Faculty of Medicine and Health Technology, University of Tampere , Tampere , Finland