| Affiliation: | 1. Division of Gastroenterology, Hepatology and Nutrition, Hospital for Sick Children, University of Toronto, Toronto, Canada;2. Division of Gastroenterology, Hepatology and Nutrition, Ann & Robert H. Lurie Children's Hospital of Chicago, Chicago, IL, USA;3. Division of Gastroenterology, Hepatology and Nutrition, University of Colorado School of Medicine and Children's Hospital Colorado, Aurora, CO, USA;4. Division of Gastroenterology, Hepatology and Nutrition, Children's Hospital of Philadelphia, Philadelphia, PA, USA;5. Division of Gastroenterology, Hepatology and Nutrition, Cincinnati Children's Hospital, Cincinnati, OH, USA;6. Division of Gastroenterology, Hepatology and Nutrition, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, USA;7. Division of Gastroenterology, Hepatology and Nutrition, Beatrix Children's Hospital, University Medical Center, Groningen, Netherlands;8. Division of Gastroenterology, Hepatology and Nutrition, Nemours/AI. duPont Hospital for Children, Wilmington, DW, USA;9. Department of Pathology and Laboratory Medicine, Children's Hospital of Philadelphia, University of Pennsylvania, Philadelphia, PA, USA;10. Division of Gastroenterology, Hepatology and Nutrition, Children's Hospital of Pittsburgh, University of Pittsburgh, Pittsburgh, PA, USA;11. Division of Gastroenterology, Hepatology and Nutrition, UCSF Benioff Children's Hospital, San Francisco, CA, USA;12. Clinical Epidemiology & Biostatistics, McMaster University, Hamilton, Canada;13. Paediatric Liver Centre, King's College Hospital, London, UK |
