Funding for this research was provided by:
Ada og Hagbart Waages Humanitære og Veldedige Stiftelse
Stein Erik Hagen Foundation for Clinical Heart Research
Received: 13 January 2021
Accepted: 20 March 2021
First Online: 1 April 2021
: The study was approved by the Regional Committee of Medical Research Ethics in South-Eastern Norway and conducted in accordance with the Declaration of Helsinki, and is registered at ExternalRef removed NCT01232608. All patients gave their written informed consent to participate.
: Not applicable.
: The authors declare that they have no competing interest.