Received: 26 November 2017
Accepted: 6 June 2018
First Online: 5 July 2018
Ethics approval and consent to participate
: The study design was approved by the local ethics committee (Ethikkommission Land Oberösterreich, Kepler University Hospital Linz, B-123-16) and was conducted according to the Declaration of Helsinki. Written informed consent was obtained from all study participants.
: CS received speakers’ honoraria from Medtronic. DK, CR, JK, PS, JK, HB and FF declare no competing interests.
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