Worum, Hilde http://orcid.org/0000-0002-8263-559X
Lillekroken, Daniela
Ahlsen, Birgitte
Roaldsen, Kirsti Skavberg
Bergland, Astrid
Article History
Received: 5 May 2020
Accepted: 22 October 2020
First Online: 27 October 2020
Ethics approval and consent to participate
: Ethical approval for the present study was provided by the Regional Committee for Medical and Health Research Ethics (approval number 2015/1005 REK south-east D). Written informed consent was obtained from all the participants.
: Not applicable.
: The authors declare that they have no competing interests.