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Article History

Received: 19 February 2020

Accepted: 12 May 2020

First Online: 24 May 2020

Ethics approval and consent to participate

: All data were anonymized and the study was approved by the ethics committee of the medical faculty of Heidelberg University Hospital (internal number S-417/2016). The study complies with the Declaration of Helsinki in its current version.

: Not applicable.

: PX has received personal fees from MSD and OMT outside the submitted work.MK, LF and CAE declare that they have no competing interests related to this study.AMM has received personal fees from Bayer, outside the submitted work.NB received speaker fees from Actelion pharmaceuticals / Janssen Medical, Bayer HealthCare and MSD.SH has received personal fees from Bayer, MSD, Actelion and GSK, outside the submitted work.CN has received consulting fees, speaking fees, and/or honoraria from Actelion, MSD, Boehringer, Novartis, Bayer, and AstraZeneca.EG has received grants and personal fees from Actelion, Bayer AG, and MSD; grants from GSK, Novartis, and United Therapeutics; and personal fees from SCOPE, OrPha Swiss GmbH, and Zurich Heart House.BE received travel fees, consulting fees, speaking fees, and/or honoraria from Actelion, MSD, Bayer and OMT.