Affiliation: | 1. Department of Dermatology and Allergology, Ludwig‐Maximilian University, Munich, Munich, Germany;2. Department of Conservative Dentistry and Periodontology, University Hospital, Ludwig‐Maximilian University, Munich, Munich, Germany;3. Walther‐Straub Institute of Pharmacology and Toxicology, Ludwig‐Maximilian University, Munich, Munich, Germany;4. Dermatologie Feldafing, Feldafing, Germany |