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Kilian Eyerich is a shareholder of Dermagnostix and a speaker and\/or advisory board member for AbbVie, Almirall, BMS, Janssen, Leo, Lilly, Novartis, Pfizer, Sanofi, and UCB. Elke Weisshaar is the principal investigator of the DGUV-supported research project FB 323 on the molecular classifier. Claudia Pf\u00f6hler served as consultant and\/or has received honoraria from Bristol-Myers Squibb, Merck Sharp and Dohme, Novartis, Sanofi, Sunpharma, Pierre Fabre, AbbVie, Kyona Kirin, and Amgen; and received travel support from Amgen, Merck Sharp and Dohme, Bristol-Myers Squibb, Pierre Fabre, Sunpharma, and Novartis outside the submitted work. Christoph Skudlik, Claudia Schr\u00f6der-Kraft, Harald L\u00f6ffler, Nicolas Leitz, and Karisa Th\u00f6lken have nothing to disclose.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of interest"}},{"value":"The study was approved by the Heidelberg Ethics Committee (S-506\/2019) and is in accordance with the Helsinki Declaration of 1975, as revised in 1983. All patients provided informed consent prior to taking part in this study. The patients in this manuscript have provided written informed consent for publication of their case details and photographs.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical approval"}}]}}