Affiliation: | 1. Department of Dermatology, Faculty of Medicine, Eberhard Karls University Tuebingen, Tuebingen, Germany;2. Department of Clinical Epidemiology and Applied Biostatistics, Faculty of Medicine, Eberhard Karls University Tuebingen, Tuebingen, Germany;3. Baden‐Württemberg State Health Office, District Government Stuttgart, Stuttgart, Germany;4. Department of Dermatology and Allergy Biederstein, Technische Universit?t, Munich, Germany |