1. Department of Infection and Immunity; Luxembourg Institute of Health (LIH); Esch-sur-Alzette Luxembourg
2. Department of Dermatology; Eberhard Karls University; Tuebingen Germany
3. Immunology Allergology Unit; Centre Hospitalier; Luxembourg Luxembourg
4. Department of Dermatology and Allergology; Technical University Munich; Munich Germany
5. Department of Dermatology and Allergy Center; Odense Research Center for Anaphylaxis; University of Southern Denmark; Odense Denmark