1. Faculty of Medicine Transylvania University Brasov Romania
2. Iberoamerican Cochrane Centre ‐ Department of Clinical Epidemiology and Public Health Biomedical Research Institute Sant Pau (IIB Sant Pau) Barcelona Spain
3. CIBER de Epidemiología y Salud Pública (CIBERESP) Barcelona Spain
4. Department of Epidemiology and Evaluation IMIM (Hospital del Mar Medical Research Institute) Barcelona Spain
5. Swiss Institute of Allergy and Asthma Research (SIAF) University of Zurich Davos Switzerland
6. Christine Kühne‐Center for Allergy Research and Education Davos Switzerland
7. Department of Dermatology and Allergology Biederstein Technical University of Munich Munich Germany
8. School of Medicine University CEU San Pablo Madrid Spain
9. Department of Medical Sciences and Public Health University of Cagliari Cagliari Italy
10. Translational Medicine Program, Research Institute Hospital for Sick Children Toronto ON Canada
11. Department of Immunology University of Toronto Toronto ON Canada
12. Division of Immunology and Allergy Food Allergy and Anaphylaxis Program, The Hospital for Sick Children Departments of Paediatrics and Immunology University of Toronto Toronto ON Canada
13. Department of Dermatology and Allergy Biederstein Technical University of Munich Munich Germany
14. Department of Dermatology Hospital del Mar‐ Institut Mar d'Investigacions Mèdiques Universitat Autònoma de Barcelona Barcelona Spain
15. Department of Dermatology Universitair Ziekenhuis Brussel Vrije Universiteit Brussel (VUB) Brussels Belgium
16. Department of Dermatology Icahn School of Medicine at Mount Sinai New York NY USA
17. Dermatological Allergology, Allergie‐Centrum‐Charité Department of Dermatology and Allergy Charité ‐ Universitätsmedizin Berlin Berlin Germany
18. MRC Human Immunology Unit Department of Medicine Weatherall Institute of Molecular Medicine University of Oxford Radcliffe, Oxford UK
19. Keck School of Medicine University of Southern California Los Angeles CA USA
20. Departments of Medicine and Microbiology APC Microbiome Ireland University College Cork Cork Ireland
21. Centre for Inflammation Research Child Life and Health The University of Edinburgh Edinburgh UK
22. Division of Immunodermatology and Allergy Research Department of Dermatology and Allergy Hannover Medical School Hannover Germany
23. Department of Biochemistry and Molecular Biology Chemistry School Complutense University of Madrid Madrid Spain
24. Department of Clinical Immunology Wroclaw Medical University Wroclaw Poland
25. All‐MED Medical Research Institute Wroclaw Poland