Dahm, Kristin Thuve http://orcid.org/0000-0003-2878-4575
Myrhaug, Hilde Tinderholt
Strømme, Hilde
Fure, Brynjar
Brurberg, Kjetil Gundro
Funding for this research was provided by:
Norwegian Institute of Public Health (NA)
Article History
Received: 29 October 2018
Accepted: 25 February 2019
First Online: 7 March 2019
Ethics approval and consent to participate
: Not applicable.
: Not applicable.
: The authors declare that they have no competing interests.
: Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.