1. Department of Translational Medical Science University of Naples Federico II Naples Italy
2. ImmunoNutritionLab at the CEINGE Advanced Biotechnologies Research Center University of Naples Federico II Naples Italy
3. Task Force on Microbiome Studies University of Naples Federico II Naples Italy
4. European Laboratory for the Investigation of Food‐Induced Diseases University of Naples Federico II Naples Italy
5. Allergy Unit‐Buzzi Children's Hospital‐University of Milan Milan Italy
6. Department of Medicine, School of Microbiology APC Microbiome Ireland, University College Cork Cork Ireland
7. Department of Interdisciplinary Life Sciences, Messerli Research Institute University of Veterinary Medicine, Medical University and University of Vienna Vienna Austria
8. Center of Pathophysiology, Infectiology and Immunology Institute of Pathophysiology and Allergy Research, Medical University of Vienna Vienna Austria
9. Department of Nutritional Sciences and Dietetics School of Health Sciences, International Hellenic University Thessaloniki Greece
10. Department of Clinical Sciences and Community Health University of Milan Milan Italy
11. Fondazione IRCCS Ca’ Granda Ospedale Maggiore Policlinico Milan Italy
12. Faculty of Medicine Transylvania University Brasov Romania
13. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zurich Davos Switzerland
14. Department of Pediatrics "Karamandaneio" Children's Hospital of Patra Patras Greece
15. Department of Pharmacology “luliu Hatieganu” University of Medicine and Pharmacy Cluj‐Napoca Romania
16. Section of Pediatric Allergy and Immunology University of Colorado, Children's Hospital Colorado Aurora Colorado USA
17. Department of Nutrition and Dietetics Winchester University Winchester UK
18. Department of Medicine KU Leuven Leuven Belgium
19. Department of Pediatrics Hassenfeld Children's Hospital, NYU Grossman School of Medicine New York New York USA
20. Department of Pediatrics, Gastroenterology and Nutrition Collegium Medicum, University of Warmia and Mazury Olsztyn Poland
21. Krefting Research Centre Institute of Medicine, University of Gothenburg Gothenburg Sweden
22. Department of Sciences University Institute of Health Sciences Gandra Portugal
23. i4HB/UCIBIO – Translational Toxicology Research Laboratory Gandra Portugal
24. CUF Porto Trindade Hospital Porto Portugal
25. Department of Clinical and Experimental Medicine, Section of Pediatrics University of Pisa Pisa Italy
26. Practice for Dietary Advice & Nutrition Therapy in Adverse Food Reactions Munich Germany
27. Division of Respiratory Medicine and Allergology, Department of Paediatrics Inselspital, University of Bern Bern Switzerland
28. CK‐CARE Christine Kühne‐Center for Allergy Research and Education (CK‐CARE) Davos Switzerland
29. Griffith University Southport Queensland Australia
30. Department of Women and Children's Health (Pediatric Allergy), Faculty of Life Sciences and Medicine School of Life Course Sciences, King's College London London UK
31. Peter Gorer Department of Immunobiology School of Immunology and Microbial Sciences, King's College London London UK
32. Children's Allergy Service Evelina London Children's Hospital, Guy's and St Thomas' Hospital London UK
33. Center for Pathophysiology, Infectiology and Immunology Institute of Pathophysiology and Allergy Research, Medical University of Vienna Vienna Austria
34. Department of Paediatrics OLVG Hospital Amsterdam The Netherlands
35. Rijnstate Allergy Centre Rijnstate Hospital Arnhem The Netherlands