1. Royal Brompton & Harefield NHS Foundation TrustLondonUK
2. The David Hide 6. Asthma and Allergy Research CentreIsle of WightUK
3. Great Ormond Street NHS Foundation TrustLondonUK
4. Erasmus MCRotterdamNLNetherlands
5. Guy's and St Thomas’ Hospitals NHS Foundation Trust and Kings CollegeLondonUK
6. Jaffe Food Allergy InstituteIcahn School of Medicine at Mount SinaiNew YorkUSA
7. Department of AllergologyUniversity Medical Centre of GroningenUniversity of GroningenGroningenNLNetherlands
8. Emma Children's Hospital Academic Medical CentreAmsterdamNLNetherlands
9. University of AthensAthensGRGreece
10. Emma Children's Hospital, Paediatric Respiratory Medicine and AllergyAcademic Medical CentreUniversity of AmsterdamAmsterdamNLNetherlands