1. Allergie‐Centrum‐CharitéDepartment of Dermatology and AllergyCharité – Universitätsmedizin BerlinCharitéplatz 1D‐10117BerlinGermany
2. Dermatology CentreNorfolk and Norwich University HospitalNorwichUK
3. Allergy and Immunology ClinicRoyal Liverpool and Broadgreen University HospitalLiverpoolUK
4. Clinical Immunology and AllergologyCH Lyon‐SudClaude Bernard University Lyon I ‐ Faculty of MedicineLyon SudLyonFrance
5. Gordon Sussman Clinical Research Inc. 202 St Clair Avenue WestTorontoCanada
6. Dermatology DepartmentHospital del MarInstitut Mar d'Investigacions MèdiquesUniversitat AutònomaBarcelonaSpain
7. Hospital Universitario 12 de OctoubreDermatology DepartmentMadridSpain
8. Department of Dermatology and AllergyUMCUtrechtThe Netherlands
9. University of GenoaSan Martino‐ISTGenoaItaly
10. RTI Health SolutionsRaleighNCUSA
11. RTI Health SolutionsManchesterUK
12. Novartis Pharma AGBaselSwitzerland