Langland, Eva
Tuntland, Hanne
Førland, Oddvar
Aas, Eline
Folkestad, Bjarte
Jacobsen, Frode F.
Kjeken, Ingvild
Funding for this research was provided by:
Directorate of Health, Norway (Ref 13/5 149-38)
Article History
Received: 8 July 2015
Accepted: 2 September 2015
First Online: 15 September 2015