1 Christine Kühne - Center for Allergy Research and Education (CK-CARE) Davos-Augsburg-Bonn-St. Gallen-Zürich, Davos, Switzerland and Germany.
2 Department of Dermatology and Allergy, University Bonn, Bonn, Germany.
3 Swiss Institute of Allergy and Asthma Research (SIAF), Davos, Switzerland.
4 Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland.
5 University of Zurich, Zurich, Switzerland.
6 Institute of environmental medicine, UNIKA-T, Technical University and HelmholtzCenter, Munich, Germany.
7 Allergy Unit, Department of Dermatology, University Hospital, Zurich, Switzerland.
8 Medical Sociology, Institute of Epidemiology and Preventive Medicine, University of Regensburg, Regensburg, Germany.
9 Institute for Health Services Research in Dermatology and Nursing, University of Hamburg, Hamburg, Germany.
10 Department of Dermatology, University of Rochester Medical Center, Rochester, NY, USA.
11 Department of Dermatology and Allergy Biederstein, Technical University, Munich, Germany.
12 Swiss Tropical and Public Health Institute, EPH, Basel, Switzerland.
13 Department of Biological Sciences, National University of Singapore, Singapore, Singapore.
14 ZIEL, Technische Universität München, Freising-Weihenstephan, Germany.
15 Department of Dermatology, Aarhus University Hospital, Aarhus, Denmark.
16 Hochgebirgsklinik, Davos, Switzerland.
17 Rady Children's Hospital, San Diego School of Medicine, San Diego University of California, San Diego, IL, USA.
18 Unit of Dermatology and Pediatric Dermatology, Department of Pathophysiology and Transplantation, Fondazione IRCCS Cà Granda 'Ospedale Maggiore Policlinico', University of Milan, Milan, Italy.
19 Department of Dermatology, University Medical Center, Giessen, Germany.
20 Private Educational Consultant, Professional, Resource Network, Inc., Chapel Hill, NC, USA.
21 Department of Dermatology, University of Brussels, Brussels, Belgium.
22 Dermatology Department, Icahn School of Medicine at Mount Sinai, New York, NY, USA.
23 Oregon Health and Science University, Portland, OR, USA.
24 Department of Dermatology, University Medical Center, Utrecht, The Netherlands.
25 Department of Dermatology, Our Lady's Children's Hospital Crumlin, Dublin, Ireland.
26 Department of Dermatology, Kyoto Prefectural University of Medicine, Kyoto, Japan.
27 Department of Immunology and Department of Dermatology/Allergology, University Medical Center Utrecht, Utrecht, The Netherlands.
28 Environmental Health, LLC, Durham, NC, USA.
29 Departments of Dermatology and Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, IL, USA.
30 Department of Dermatology, University Hospital Schleswig-Holstein, Kiel, Germany.
31 Department of Dermatology, Inselspital, University Hospital, Bern, Switzerland.
32 Institute of Pharmacology, University of Bern, Bern, Switzerland.
33 Academic Medical Centre, University of Amsterdam, Amsterdam, The Netherlands.
34 Department of Dermatology, University of Nantes, Nantes, France.
35 Department of Dermatology, Heim Pal Children's Hospital Budapest, Budapest, Hungary.
36 Department of Dermatology, University of Bordeaux, Bordeaux, France.
37 Department of Dermatology, University of Sao Paulo School of Medicine, SaoPaulo, Brazil.
38 Department of Medicine, Faculty of Health Sciences, University of Cape Town, Cape Town, South Africa.
39 Department of Dermatology, Hannover Medical School, Hannover, Germany.
40 Department of Dermatology, University of Ludwigs-Maximilians, Munich, Germany.