Heiberg, Guri http://orcid.org/0000-0002-9846-9346
Pedersen, Synne Garder
Friborg, Oddgeir
Nielsen, Jørgen Feldbæk
Holm, Henriette Stabel
Steinbüchel von, Nicole
Arntzen, Cathrine
Anke, Audny
Funding for this research was provided by:
Universitetet i Tromsø (IN-1096130)
Article History
Received: 18 September 2017
Accepted: 9 July 2018
First Online: 18 July 2018
Ethics approval and consent to participate
: The Norwegian regional Ethical Committee health region North approved this study (2013/1472). All participants signed a written consent.
: Not applicable.
: The authors declare that they have no competing interests.
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