1. Paediatric Gastroenterology Department, Al Jalila Children’s Specialty Hospital, Dubai, United Arab Emirates
2. Mohammed Bin Rashid University of Medicine and Health Sciences, Dubai, United Arab Emirates
3. The Juliet Keidan Institute of Pediatric Gastroenterology, Nutrition, Shaare Zedek Medical Center, The Hebrew University, Jerusalem, Israel
4. Division of Neurogastroenterology & Motility, Department of Paediatric Gastroenterology, Great Ormond Street Hospital, London, UK
5. Department of Paediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
6. Hospital Sant Joan de Déu, Barcelona, Spain
7. Department of Paediatrics, Woman’s & Child’s University Hospital of Verona, Verona, Italy
8. Department of Pediatrics, University Medical Center Maribor, Maribor, Slovenia
9. Faculty of Medicine, University Children’s Hospital, University of Ljubljana, Ljubljana, Slovenia
10. Service de Gastroentérologie, Hépatologie, Nutrition et Maladies Héréditaires du Métabolisme, Hôpital des Enfants, and IRSD, Université de Toulouse, INSERM, INRAE, ENVT, UPS, Toulouse, France
11. Department of Translational Medical Science, Section of Pediatrics, University of Naples “Federico II”, Naples, Italy
12. Department of Paediatrics, Emma Children’s Hospital, Amsterdam University Medical Center, Amsterdam, The Netherlands.