Affiliation: | 1. Department of Dermatology and Allergy, Allergie-Centrum-Charité, Charité–Universitätsmedizin Berlin, Berlin, Germany;2. Department of Dermatology, University Medical Center Mainz, Mainz, Germany;3. Institute for Clinical Epidemiology and Applied Biometry, Eberhard-Karls-University Tübingen, Tübingen, Germany;4. Division of Allergy and Immunology, Creighton University, Omaha, Neb |