Skogen, Jens Christoffer http://orcid.org/0000-0003-0722-5440
Bøe, Tormod
Thørrisen, Mikkel Magnus
Riper, Heleen
Aas, Randi Wågø
Funding for this research was provided by:
Norges Forskningsråd (N/A)
Helsedirektoratet (N/A)
Article History
Received: 12 August 2019
Accepted: 20 September 2019
First Online: 24 October 2019
Ethics approval and consent to participate
: The study was approved by the Regional Committee for Medical and Health Research in Norway (REK) (approval no. 2014/647). Participants provided written informed consent.
: Not applicable.
: The authors declare that they have no competing interests.