1. Hépatologie, Gastroentérologie et Nutrition Pédiatriques, Hôpital Femme Mère Enfant, Hospices civils de Lyon, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN RARE LIVER), Lyon, France
2. Service de Gastroentérologie-Nutrition Pédiatriques et Unité d'Hépatologie Pédiatrique Hôpital Universitaire Necker-Enfants Malades, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN RARE LIVER), Paris, France
3. Medical Clinic III, Gastroenterology, Metabolic Diseases and Intensive Care, University Hospital RWTH Aachen, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN RARE LIVER), Aachen, Germany
4. Liver Unit, Hospital Universitari Vall d'Hebron, Vall d'Hebron Research Institute (VHIR), Universitat Autonoma de Barcelona, Health Care Provider of the European Reference Network on Rare Liver Disorders (ERN RARE LIVER), Barcelona, Spain
5. Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd), Instituto de Salud Carlos III, Madrid, Spain
6. The Children's Memorial Health Institute, Department of Gastroenterology, Hepatology, Nutritional Disorders and Pediatrics, Al. Dzieci Polskich, Warszawa, Poland
7. Department of Gastroenterology and Hepatology, Odense University Hospital, Odense, Denmark
8. Pediatric Gastroenterology and Hepatology, University Children's Hospital Tübingen, Member Center of the European Reference Network on Rare Liver Disorders (ERN RARE LIVER), Tübingen, Germany
9. University of Bordeaux, CNRS, INSERM, BRIC, U1312, Bordeaux, France