1. Department of Pediatrics‐Neonatology, Amsterdam UMC University of Amsterdam Amsterdam The Netherlands
2. Amsterdam Reproduction and Development, and Amsterdam Gastroenterology Endocrinology Metabolism Research Institutes Amsterdam The Netherlands
3. Neonatal Unit, Royal Victoria Infirmary, Population Health Sciences Institute Newcastle University Newcastle upon Tyne UK
4. Department of Neonatology, APHP Necker University Hospital Paris Cite University Paris France
5. Department of Pediatrics, Children's Nutrition Research Center Baylor College of Medicine Houston Texas USA
6. Department of Pediatrics Ulm University Ulm Germany
7. Department of Health Management Neu‐Ulm University of Applied Sciences Neu‐Ulm Germany
8. Department of Pediatrics Zollernalb Klinikum Balingen Germany
9. Department of Medicine and Technological Innovation, Pediatrics, Hospital “F. Del Ponte” University of Insubria Varese Italy
10. Department of Translational Medical Science and the ImmunoNutritionLab at the Ceinge Research Center and Task Force on Microbiome Studies University of Naples Federico II Naples Italy
11. Department of Pediatrics, Faculty of Medicine Eskisehir Osmangazi University Eskisehir Turkey
12. Department of Clinical Sciences, Pediatrics Umeå University Umeå Sweden
13. Department of Translational Medical Science, Section of Pediatrics University of Naples Federico II Naples Italy
14. International Scientific Council for Probiotics, A.C. Ciudad de México (CDMX) Mexico
15. Department of Pediatrics, University of Zagreb Medical School Children's Hospital Zagreb Zagreb Croatia
16. Department of Experimental Medicine, Pediatric Section, Medical School MedTech University of Salento Lecce Italy
17. Department Pediatric Gastroenterology and Nutrition Robert‐Debré Hospital, APHP Paris France
18. Department of Gastroenterology, Hepatology and Nutrition, University Medical Center Ljubljana, University Children's Hospital Ljubljana, Medical Faculty University of Ljubljana Ljubeljana Slovenia
19. Department of Pediatrics, Amsterdam UMC, Emma Children's Hospital University of Amsterdam Amsterdam The Netherlands
20. Faculty of Health Sciences Ben‐Gurion University Beer‐Sheva Israel
21. European Foundation for the Care of Newborn Infants (EFCNI) Munich Germany
22. Department of Pediatrics, School for Oncology and Reproduction (GROW) Maastricht UMC+ Maastricht The Netherlands
23. Institute for Gastroenterology, Nutrition and Liver Diseases, Schneider Children's Medical Center, Faculty of Medicine Tel Aviv University Tel Aviv Israel
24. Department of Pediatrics, UZ Brussel, KidZ Health Castle Vrije Universiteit Brussel (VUB) Brussels Belgium
25. Department of Pediatrics The Medical University of Warsaw Warsaw Poland