Article History
Received: 15 September 2020
Accepted: 8 January 2021
First Online: 28 January 2021
Compliance with ethical guidelines
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: G. Lindner discloses potential conflicts of interest (consultant fees and fees from Bayer, Fresenius Kabi, Otsuka, Daiichi Sankyo; travel grants from GlaxoSmithKline, Otsuka, and Pierre Fabre). R. Fahrner and S. Bähler declare that they have no competing interests. None of the authors obtained funding for this specific report.
: Ethics committee approval was obtained for this retrospective study from the Ethics Committee of North-West and Central Switzerland (No. 2020-01359) and the need for individual patient consent was waived.
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