1. The Referral Centre for Food Allergy Diagnosis and Treatment Veneto Region; Department of Mother and Child Health; University of Padua; Padua Italy
2. Hans Christian Andersen Children's Hospital; Odense University Hospital; Odense Denmark
3. Clinical and Experimental Sciences Academic Unit; University of Southampton Faculty of Medicine; Southampton UK
4. David Hide Asthma and Allergy Research Centre; St Mary's Hospital; Isle of Wight UK
5. NIHR Respiratory Biomedical Research Unit; University Hospital Southampton NHS Foundation Trust; Southampton UK
6. Clinic for Pediatric Pneumology & Immunology; Charité Universitätsmedizin Berlin; Berlin Germany
7. Department of Pediatric Pulmonology and Paediatric Allergy; GRIAC Research Institute; University Medical Centre Groningen; University of Groningen; Groningen the Netherlands
8. Department of Paediatric Allergy; Division of Asthma, Allergy and Lung Biology; MRC & Asthma UK Centre in Allergic Mechanisms of Asthma; King's College London; Guy's and St Thomas' NHS Foundation Trust; London UK
9. Department of Child and Adolescent; Allergy Unit; University Hospitals of Geneva; Geneva Switzerland
10. Swiss Institute of Allergy and Asthma Research; University of Zurich; Zurich Switzerland
11. Institute of Human Development; University of Manchester; Manchester UK
12. Allergy Department; 2nd Pediatric Clinic; University of Athens; Athens Greece
13. Evidence-Based Health Care Ltd; Edinburgh UK
14. School of Paediatrics and Child Health Research; University of Western Australia; Perth WA Australia
15. School of Health Sciences and Social Work; University of Portsmouth; Portsmouth UK
16. Hôpital de l'Archet; Université de Nice Sophia-Antipolis EA 6302 “Tolérance Immunitaire”; Nice France
17. Swiss Institute of Allergy and Asthma Research (SIAF); University of Zurich; Davos Switzerland
18. Allergy & Respiratory Research Group; Centre for Population Health Sciences; The University of Edinburgh; Scotland UK
19. Division of General Internal Medicine and Primary Care; Brigham and Women's Hospital/Harvard Medical School; Boston MA USA