Steihaug, Ole Martin http://orcid.org/0000-0002-1849-3910
Gjesdal, Clara Gram
Bogen, Bård
Kristoffersen, Målfrid Holen
Lien, Gunhild
Hufthammer, Karl Ove
Ranhoff, Anette Hylen
Funding for this research was provided by:
Haraldsplass Deaconess Hospital
Helse Vest (911829)
Article History
Received: 8 May 2017
Accepted: 27 February 2018
First Online: 5 March 2018
Ethics approval and consent to participate
: The study was approved by the research committees at the participating hospitals (Haraldsplass Deaconess Hospital and Haukeland University Hospital, Bergen, and Diakonhjemmet Hospital, Oslo, Norway), the Regional Committee on Medical and Health Research Ethics (case 2011/1322/REK sør-øst B) and was conducted according to the principles of the Declaration of Helsinki. Participation was by written informed consent with participants receiving oral and written information on the first day and signed the consent form on a subsequent day.
: Not applicable.
: The authors declare that they have no competing interests.
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