1. Department of Human Nutrition, School of Medicine University of Glasgow Glasgow UK
2. Department of Paediatric Gastroenterology, Hepatology and Nutrition Royal Hospital for Children and Young People Edinburgh UK
3. Department of Paediatric Gastroenterology, Addenbrooke's Hospital Cambridge University Hospitals NHS Trust Cambridge UK
4. Pediatric Center, MTA Center of Excellence Semmelweis University Budapest Hungary
5. The Juliet Keidan Institute of Pediatric Gastroenterology Hepatology and Nutrition, Shaare Zedek Medical Center The Hebrew University of Jerusalem Jerusalem Israel
6. Department of Paediatrics University Hospital Motol Prague Czech Republic
7. Sophia Children's Hospital Erasmus MC University Rotterdam The Netherlands
8. Children's Hospital Zagreb University of Zagreb Medical School Zagreb Croatia
9. Children's Hospital Kassel University of Witten/Herdecke Witten Germany
10. Pediatric Hepatology, Gastroenterology and Transplantation ASST Papa Giovanni XXIII Bergamo Italy
11. Israel Pediatric Gastroenterology and Nutrition Unit The E. Wolfson Medical Center Holon Israel
12. Amsterdam University Medical Centers Amsterdam The Netherlands
13. Referral Center for Pediatric Gastroenterology and Nutrition Children's Hospital Zagreb Zagreb Croatia
14. Department of Pediatrics, Division of Pediatric Gastroenterology University of Alberta Edmonton Alberta Canada
15. Wellcome MRC Stem Cell Institute University of Cambridge Cambridge UK
16. Department of Woman, Child and General and Specialist Surgery University of Campania “Vanvitelli” Napoli Italy
17. Department of Paediatric Gastroenterology, Jenny Lind Children's Hospital Norfolk and Norwich University Hospitals Norwich UK
18. Norwich Medical School, Faculty of Medicine and Health Science University of East Anglia (UEA) Norwich UK