Funding for this research was provided by:
Deutsche Forschungsgemeinschaft (grant KFO 247)
Bundesministerium für Bildung und Forschung (DYSTRACT 01GM1514D)
Text and Data Mining valid from 2020-02-13
Received: 10 November 2019
Revised: 31 January 2020
Accepted: 3 February 2020
First Online: 13 February 2020
Compliance with ethical standards
: AAK received speaker´s honoraria or consultancies and travel grants from Medtronic, Boston Scientific and Abbott. P. Krause received speaker´s honoraria from Medtronic. S. Völzmann: None. S. Ewert: None. A. Kupsch belongs to the Advisory Board ´Medtronic USA´ and received honoraria from Allergan, Boehringer Ingelheim, Ipsen Pharma, Lundbeck, Medtronic, Merck, Merz Pharmaceuticals, Orion, St. Jude UCB. G.H. Schneider received speaker´s honoraria from Medtronic, Boston Scientific and Abbott.
: This study has been approved by the local ethics committee of the Charité, University Medicine Berlin and has therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki.
: All patients gave their written informed consent for long-term followup.