1. Vrije Universiteit Brussel (VUB), UZ Brussel, KidZ Health Castle, Brussels, Belgium
2. Department of Paediatrics, Faculty of Medicine and University Hospital Cologne, University of Cologne, Cologne, Germany
3. Department of Clinical Sciences, Pediatrics, Umeå University, Umeå, Sweden
4. Department of Medical and Surgical Science University of Foggia, Foggia Italy
5. Neonatal Intensive Care Unit, Necker-Enfants Malades Hospital, Paris University, Paris, France and CNRC, Department of Pediatrics, Baylor College of Medicine, Houston, Texas
6. Department of Pediatrics, “Victor Babes” University of Medicine and Pharmacy, Timisoara, Romania
7. CRK Pediatric Gastroenterology and Hepatology & Instituto de Investigacion Sanitaria, La Fe University Hospital, Valencia, Spain
8. Institute of Gastroenterology, Nutrition and Liver Diseases, Schneider Children's Medical Center, Lea and Arieh Pickel Chair for Pediatric Research, Sackler Faculty of Medicine, Tel-Aviv University, Israel
9. Department of Paediatrics, The Medical University of Warsaw, Warsaw, Poland
10. Gastroenterology, Hepatology and Liver Transplant, Queensland Children’s Hospital, Brisbane, Australia; School of Medicine, University of Queensland, Brisbane, Australia; Woolworths Centre for Child Nutrition Research, Queensland University of Technology, Brisbane, Australia; UCL Great Ormond Street Institute of Child Health, London, UK
11. Department of Paediatric Medicine, Division of Paediatric and Adolescent Medicine, Oslo University Hospital, Oslo, Norway
12. Department of Paediatrics, Vittore Buzzi Children’s Hospital University of Milan Italy