1. Department of Otorhinolaryngology, Head and Neck Surgery Section of Rhinology and Allergy University Hospital Marburg Philipps‐Universität Marburg Marburg Germany
2. Primary Care and Population Sciences University of Southampton Southampton UK
3. Food Allergy Referral Centre Veneto Region Department of Women and Child Health Padua General University Hospital Padua Italy
4. Hans Christian Andersen Children's HospitalOdense University Hospital Odense Denmark
5. Clinical and Experimental Sciences and Human Development and Health Faculty of Medicine University of Southampton Southampton UK
6. NIHR Southampton Biomedical Research Centre University Hospital Southampton NHS Foundation Trust Southampton UK
7. The David Hide Asthma and Allergy Research Centre St Mary's Hospital Isle of Wight UK