1. Division of Gastroenterology & Nutrition, Department of Pediatrics, IWK Health Centre, Halifax, Nova Scotia, Canada
2. Department of Microbiology and Immunology, Dalhousie University, Halifax, Nova Scotia, Canada
3. Division of Gastroenterology, Faculty of Medicine, Dalhousie University, Halifax, Nova Scotia, Canada
4. Division of Pediatric Gastoenterology, Hepatology and Nutrition, Hospital for Sick Children, Toronto, Ontario, Canada
5. Division of Pediatric Gastroenterology, Janeway Child Health Centre, St John’s, Newfoundland & Labrador, Edmonton, Alberta, Canada
6. Division of Pediatric Gastroenterology, Stollery Children’s Hospital, University of Alberta, Edmonton, Alberta, Canada
7. Division of Pediatric Gastroenterology and Nutrition, Department of Pediatrics, Montreal Children’s Hospital, McGill University, Montreal, Quebec, Canada
8. Division of Gastroenterology and Nutrition, Department of Paediatrics, University of Calgary, Calgary, Alberta, Canada
9. Division of Pediatric Gastroenterology and Nutrition, McMaster Children’s Hospital, Hamilton, Ontario, Canada
10. Section of Pediatric Gastroenterology, Department of Pediatrics, College of Medicine, Faculty of Health Sciences, University of Manitoba, Winnipeg, Manitoba, Canada
11. Department of Pediatric Gastroenterology, Hepatology and Nutrition, Centre Hospitalier Universitaire Sainte-Justine, Montréal, Québec, Canada
12. Division of Pediatric Gastroenterology, Hepatology and Nutrition, Nationwide Children’s Hospital and The Ohio State University, Columbus, Ohio, USA
13. Children’s Center for Digestive Health Care, Children’s Healthcare of Atlanta, Atlanta, Georgia, USA
14. Université Sorbonne Paris Cité, Université Paris Descartes, INSERM U989, Service de Gastroentérologie Pédiatrique, Hôpital Necker Enfants Malades, Paris, France
15. Pediatric Gastroenterology and Nutrition Unit, Wolfson Medical Center, Sackler School of Medicine, Tel-Aviv University, Tel-Aviv, Israel