Engeseth, Marit http://orcid.org/0000-0001-7219-8560
Enden, Tone
Sandset, Per Morten
Wik, Hilde Skuterud
Funding for this research was provided by:
Helse Sør-Øst RHF
Article History
Received: 15 May 2020
Accepted: 16 December 2020
First Online: 8 January 2021
Ethics approval and consent to participate
: The study was approved by the southeastern Norway Regional Committee for Medical and Health Research Ethics (approval no. 2015/1567), and adhered to the principles outlined in the Declaration of Helsinki. Written informed consent was obtained from all participants.
: Not applicable.
: The authors state that they have no competing interests.