1. Department of Dermatology und Allergology Biederstein Technical University of Munich Munich Germany
2. Department of Dermatology Southampton General Hospital University Hospitals Southampton NHS Foundation Trust Southampton UK
3. Department of Dermatoimmunology Sir Henry Wellcome Laboratories Clinical, Experimental Sciences Faculty of Medicine University of Southampton Southampton UK
4. “Dokumentationszentrum schwerer Hautreaktionen” (dZh) Department of Dermatology Medical Center and Medical Faculty University of Freiburg Freiburg Germany
5. Department of Dermatology Medical University of Graz Graz Austria
6. Department of Dermatology and Allergology Tenon Hospital (AP‐HP) Sorbonne Universities, Pierre et Marie Curie University Paris 6 France
7. Pediatric Allergology Unit Geneva University Hospitals Geneva Switzerland
8. Department of Experimental Dermatology and Cosmetology Jagiellonian University Medical College Krakow Poland
9. Allergy Unit IBIMA‐ Regional University Hospital of Malaga‐UMA, Aradyal Malaga Spain
10. Department of Dermatology and Allergy Center Odense Research Center for Anaphylaxis (ORCA) Odense University Hospital Odense Denmark