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Christian Posch received honoraria and travel support from AbbVie, BMS, Pelpharma, LEO Pharma, SUN Pharma, Sanofi, MSD, Almirall, Pfizer, Pierre Fabre, Eli Lilly, Janssen, a grant from Almirall and consulting fees from Novartis, all unrelated to this project. Alexander Zink has been an advisor and\/or received speaker\u2019s honoraria from AbbVie, Novartis, UCB, unrelated to this project. Tilo Biedermann received grants from Almirall, Celgene-BMS, Lilly, Novartis, Sanofi-Genzyme, Regeneron and Viatris, received travel support from Almirall, Alk-Abello, Sanofi-Genzyme, received consulting fees from AbbVie, Alk-Abello, Almirall, Boehringer Ingelheim, Leo Pharma, Lilly, Novartis, Sanofi-Genzyme and Viatris, received honoraria from Alk-Abello, Almirall, GSK, Leo Pharma, Lilly, Novartis, Sanofi-Genzyme, Regeneron, and is a member of the advisory board of Alk-Abello, Almirall, Boehringer Ingelheim, Leo Pharma, Lilly, Novartis, Sanofi-Genzyme and Viatris. Thomas Volz received grants from AbbVie and Novartis, received consulting fees and honoraria from Novartis and UCB Pharma. Wanja Steinhauser and Rosi Wang have no conflict of interest to declare.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Conflict of Interest"}},{"value":"The study was reviewed and approved by the Ethics Committee of the Faculty of Medicine at the Technical University of Munich (646\/20 S-KH) and was performed in accordance with the Helsinki Declaration of 1964, and its later amendments. All patients gave informed consent to participate in the study and for recording and analysing their given information.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethical Approval"}}]}}