Article History
Received: 2 July 2018
Accepted: 19 August 2018
First Online: 12 September 2018
Compliance with ethical guidelines
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: K. Bode and P. Whittaker declare that they have no competing interests. J.M. ten Berg has received speaker’s fees from Astra Zeneca, BMS, Pfizer, the Medicines Company, Boehringer Ingelheim, and Lilly and has received a grant from Astra Zeneca and ZonMw. G. Hindricks reported grants for the Heart Center Leipzig from Abbott and Boston Scientific but has not received personal payments for his services.
: This article does not contain any studies with human participants or animals performed by any of the authors.