1. Department of Neonatology Kepler University Hospital Linz Austria
2. Department of Patologia e cura del bambino “Regina Margherita” Regina Margherita Children Hospital Azienda Ospedaliera Universitaria Città della Salute e della Scienza di Torino Torino Italy
3. Nutrition and Intestinal Failure Division, Gastroenterology Department Great Ormond Street Hospital for Children NHS Foundation Trust London UK
4. Celiac Disease Research Center Tampere University Tampere Finland
5. Department of Pediatrics Tampere University Hospital Tampere Finland
6. Children's Hospital, Helsinki University Hospital, Helsinki, Finland; Research Institute University of Oslo Oslo Norway
7. Department of Pediatric Gastroenterology Erasmus MC Sophia Children's Hospital Rotterdam Netherlands
8. Unit of Nutrition and Intestinal Failure Rehabilitation, Department of Paediatric Gastroenterology Great Ormond Street Hospital for Children NHS Foundation Trust London UK
9. Serra Húnter Fellow, Paediatric Nutrition and Development Research Unit Universitat Rovira i Virgili‐IISPV Tarragona Spain
10. Department of Neonatal Intensive Care, Oslo University Hospital Norway Pediatric Oslo Norway
11. Pediatric Hepatology Gastroenterology and Transplantation Unit ASST Papa Giovanni XXIII Bergamo Italy
12. Neonatology Hospital La Paz Institute for Health Research – IdiPAZ Universidad Autónoma de Madrid Madrid Spain
13. Metabolic Diseases Unit, Department of Pediatrics, Vittore Buzzi Hospital University of Milan Milan Italy
14. Department of Paediatrics University Hospital Motol Prague Czech Republic