1. Newcastle Hospitals NHS Trust and Newcastle University, Newcastle upon Tyne, UK
2. Department of Neonatal Intensive Care, Oslo University Hospital, Oslo, Norway
3. APHP Necker-Enfants Malades Hospital, Paris University, Paris, France
4. Department of Pediatrics – Neonatology, Amsterdam UMC – Emma Children’s Hospital, University of Amsterdam, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
5. Polytechnic University of Marche and Division of Neonatology, Ospedali Riuniti, Ancona, Ancona, Italy
6. Department of Pediatrics, Nuremberg General Hospital, Paracelsus Medical School, Nuremberg, Germany
7. Division of Neonatology, Department of Pediatrics, Hamilton Health Sciences, McMaster University, Hamilton, Ontario, Canada
8. Human Nutrition, School of Medicine, Dentistry and Nursing, University of Glasgow, Glasgow Royal Infirmary, Glasgow, UK
9. Amsterdam UMC, University of Amsterdam, Vrije Universiteit, Emma Children’s Hospital, Amsterdam, The Netherlands
10. Department of Clinical Pharmacology, Medical University of Vienna, Vienna, Austria
11. Réanimation Néonatale et Pédiatrique, Néonatologie – CHU La Réunion, Saint-Pierre, France
12. Department of Neonatal Medicine, University Hospital Southampton NHS Trust, Southampton, UK
13. National Institute for Health Research Biomedical Research Centre Southampton, University Hospital Southampton NHS Trust and University of Southampton, Southampton, UK
14. Department of General Paediatrics and Neonatology, University Hospital of Saarland, Homburg, Germany
15. Department of Pediatrics, Ulm University, Ulm, Germany
16. Department of Health Management, Neu-Ulm University of Applied Sciences, Neu-Ulm, Germany
17. Department of Pediatrics-Neonatology, La Paz University Hospital, Autonoma University of Madrid, Madrid, Spain
18. Neonatal Unit, University of Liège, CHR Citadelle, Liège, Belgium
19. H.C. Andersen Children’s Hospital, Odense University Hospital and University of Southern Denmark, Odense, Denmark
20. Department of Paediatrics, University Hospital Motol, Prague, Czech Republic
21. Department of Medical and Surgical Sciences, University of Foggia, Foggia, Italy
22. Department of Paediatric Gastroenterology, Great Ormond Street Hospital for Children NHS Foundation Trust, London, UK
23. Paediatric Gastroenterology, Erasmus MC-Sophia Children’s Hospital, Rotterdam, The Netherlands
24. Paediatric Hepatology, Gastroenterology and Transplantation, ASST Papa Giovanni XXIIII, Bergamo, Italy
25. Department of Health Sciences, University of Milan, Milan, Italy
26. Department of Paediatrics, Ospedale dei Bambini Vittore Buzzi, Milan, Italy
27. Department of Clinical Sciences, Paediatrics, Umeå University, Umeå, Sweden.