Received: 21 October 2020
Accepted: 4 February 2021
First Online: 11 February 2021
Ethics approval and consent to participate
: The study was approved by the local ethics committee (20-9322-BO).
: Not applicable.
: Andreas Kribben has received grants for clinical studies, speaker’s fees, honoraria, and travel expenses from Actelion, Amgen, Amicus, Alexion, Astellas, Bayer, Baxter, Binding Site, Bristol Myers, Chiesi, CytoSorbents, Fresenius, GlaxoSmithKline, Hexal, Janssen, Kyowa Kirin, MSD, Novartis, Otsuka, Peripal, Pfizer, Roche, Sanofi, Shire, Teva, and Vifor Fresenius Medical. No other author received financial support for researching, writing, or publishing this manuscript.