1. Dermatological Allergology Department of Dermatology, Venereology, and Allergology Allergie‐Centrum‐CharitéCharité ‐ Universitätsmedizin Berlin Berlin Germany
2. Serviço de Imunoalergologia Hospital de Santa Maria Lisbon Portugal
3. Dermatology Department, Hospital del Mar Parc de Salut Mar IMIMUniversitat Autònoma de Barcelona Barcelona Spain
4. Service de Dermato‐allergologie CHU Poitiers Poitiers France
5. Allergy Section Hospital Vall d'Hebron Vall d'Hebron Research Institute (VHIR)Universitat Autònoma de Barcelona Barcelona Spain
6. ARADyAL Research Network (RD16/0006/0020) Instituto de Salud Carlos III (ISCIII) Madrid Spain
7. Department of Dermatology Ghent University Hospital Ghent Belgium
8. Allergy and Clinical Immunology Smolensk State Medical University Smolensk Russia
9. National Institute for Health Research‐Leeds Biomedical Research Centre Leeds Institute of Rheumatic and Musculoskeletal Medicine St James's University Hospital Leeds UK
10. Novartis Pharma AG Basel Switzerland