Funding for this research was provided by:
Stein Erik Hagen Foundation for Clinical Heart Research
Ada og Hagbart Waages Humanitære og Veldedige Stiftelse
Received: 29 August 2019
Accepted: 13 December 2019
First Online: 19 December 2019
Ethics approval and consent to participate
: The Regional Ethics Committee approved the study and all patients gave their written informed consent to participate. The study was conducted in accordance to the Declaration of Helsinki.
: Not applicable.
: The authors declare that they have no competing interests.