Funding for this research was provided by:
The trial is supported by an unrestricted grant from the Fonds Scientifique Cardiovasculaire Fribourg
Received: 18 April 2018
Accepted: 9 January 2019
First Online: 30 January 2019
Ethics approval and consent to participate
: The study was approved by the local ethics committee of Vaud (Switzerland, CER-VD 2017–01594).
: All authors consented to publication.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.