Vik, Eline S. http://orcid.org/0000-0002-9472-5947
Aasheim, Vigdis
Schytt, Erica
Small, Rhonda
Moster, Dag
Nilsen, Roy M.
Article History
Received: 30 July 2018
Accepted: 7 December 2018
First Online: 5 January 2019
Ethics approval and consent to participate
: This study was approved by the Regional Committees for Medical and Health Research Ethics, reference number: 2014/1278/REK South-East, Norway.
: Not applicable.
: The authors declare that they have no competing interests.
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