Munkhaugen, John http://orcid.org/0000-0001-6141-2162
Hjelmesæth, Jøran
Otterstad, Jan Erik
Helseth, Ragnhild
Sollid, Stina Therese
Gjertsen, Erik
Gullestad, Lars
Perk, Joep
Moum, Torbjørn
Husebye, Einar
Dammen, Toril
Funding for this research was provided by:
Dept of Medicine Drammen hospital trust (1703001)
Dept for Cardiology, Vestfold Hospital Trust (703110)
Article History
Received: 18 March 2018
Accepted: 24 July 2018
First Online: 3 August 2018
Ethics approval and consent to participate
: The study was approved by the Regional Committee for Medical and Health Research Ethics of the South East Region A in Norway (reference number 2013/1885) on the 12th of February, 2014 and is in accordance with the ethical principles for medical research involving human subjects outlined in the Helsinki Declaration. Written informed consent was obtained from all patients prior to study participation.
: Not applicable
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.