1. Institute of Allergology, Charité—Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, 12203 Berlin, Germany
2. Allergology and Immunology, Fraunhofer Institute for Translational Medicine and Pharmacology ITMP, 12203 Berlin, Germany
3. Department of Dermatology, Koç University School of Medicine, Istanbul 34010, Turkey
4. Department of Dermatology, School of Medicine, Centro Universitário Faculdade de Medicina do ABC (CUFMABC), Santo André 09060-870, Brazil
5. Lung Institute, Division of Allergy and Clinical Immunology, Groote Schuur Hospital, University of Cape Town, Cape Town 7925, South Africa
6. Department of Dermatology, Bahçeşehir University, Istanbul 34070, Turkey
7. Department of Dermatology and Allergy, Comprehensive Allergy Center, Hannover Medical School, 30625 Hannover, Germany
8. London Allergy and Immunology Centre, London W1G 9QD, UK
9. Center of Allergy and Immunology, David Tvildiani Medical University, Tbilisi 0159, Georgia
10. Division of Allergy, Clinical Immunology and Rheumatology, Department of Pediatrics, Federal University of São Paulo, São Paulo 01308-000, Brazil
11. Guy’s Hospital, St John’s Institute of Dermatology, London SE1 7EP, UK