Affiliation: | 1. CK‐CARE, Christine Kühne Center for Allergy Research and Education, Davos, Switzerland;2. Department of Dermatology, Allergy Unit, Zurich University Hospital, Zurich, Switzerland;3. Institute for Medical Information Processing, Biometry and Epidemiology (IBE), LMU Munich, Munich, Germany;4. Hochgebirgsklinik Davos, Davos, Switzerland;5. Chair and Institute of Environmental Medicine, UNIKA‐T, Technical University Munich and Helmholtz Zentrum, München, Germany;6. Children's University Hospital Zurich, Zurich, Switzerland;7. Children's Hospital of Eastern Switzerland, St. Gallen, Switzerland |