Haga, Egil http://orcid.org/0000-0002-1554-2326
Aas, Eline
Grøholt, Berit
Tørmoen, Anita J.
Mehlum, Lars
Funding for this research was provided by:
The Norwegian Directorate for Health
The South Eastern Regional Health Authority
The Extra-foundation for Health and Rehabilitation
University of Oslo
Article History
Received: 2 January 2018
Accepted: 30 March 2018
First Online: 30 April 2018