Affiliation: | 1. Department of Dermatology, University Hospital Jena, , D‐07743 Jena, Germany;2. Department of Dermatology, Environmental Medicine, Health Theory, University of Osnabrueck, , 49069 Osnabrueck, Germany;3. Department of Social Medicine, Occupational and Environmental Dermatology, University of Heidelberg, , 69115 Heidelberg, Germany |