[1
]Department Dermatology and Allergy; Ludwig-Maximilian University; Munich Germany
[2
]Klinik Thalkirchner Straße; Munich Germany
[3
]Department of Dermatology; Centre Hospitalier Universitaire CHU Nantes; Nantes France
[4
]Department of Dermatology and Allergy; Christine Kühne-Center for Allergy Research
and Education; University Bonn; Bonn Germany
[5
]Pediatric Dermatology Unit; Departments of Dermatology and Pediatrics; Centre Hospitalier
Universitaire Vaudois; Lausanne Switzerland
[6
]Department Dermatology; Aarhus University Hospital; Aarhus Denmark
[7
]European Federation of Allergy and Airways Diseases Patients’ Associations (EFA);
Global Allergy and Asthma Patient Platform (GAAPP); Konstanz Germany
[8
]Department of Dermatology; University of Gießen and Marburg GmbH; Gießen Germany
[9
]Department of Psychosomatics and Psychotherapy; University of Gießen and Marburg GmbH;
Gießen Germany
[10
]Department of Medicine; Section of Dermatology; University of Verona; Verona Italy
[11
]Pediatric Pneumology and Immunology; Universitätsmedizin Berlin; Berlin Germany
[12
]Centro di Specializzazione Regionale per lo Studio e la Cura delle Allergie e delle
Intolleranze Alimentari presso l'Azienda Ospedaliera; Università di Padova; Padova
Italy
[13
]Department of Dermatology; Medical University; Poznan Poland
[14
]Dermatological Practice; Immenstadt Germany
[15
]Allergy Unit; Department of Dermatology; University of Zurich; Zurich Switzerland
[16
]Christine Kühne Center for Allergy Research and Education CK-CARE; Davos Switzerland
[17
]Department Dermatology, Inselspital; Bern University Hospital; University of Bern;
Bern Switzerland
[18
]Department of Dermatology; Heim Pál Children's Hospital; Budapest Hungary
[19
]Department of Dermatology, Venereology and Allergology; Wroclaw Medical University;
Wroclaw Poland
[20
]Department of Dermatology and Pediatric Dermatology; Hôpital St André; Bordeaux France
[21
]Department of Dermatology; Hospital Niño Jesus; Madrid Spain
[22
]Department Dermatology and Allergy; Hannover Medical School; Hannover Germany
[23
]Department Dermatology and Allergy Biederstein; Technische Universität München; Munich
Germany