Hanvold, Susanna E. http://orcid.org/0000-0001-7510-0880
Vinknes, Kathrine J.
Løken, Elin B.
Hjartåker, Anette
Klungsøyr, Ole
Birkeland, Eline
Risstad, Hilde
Gulseth, Hanne L.
Refsum, Helga
Aas, Anne-Marie
Funding for this research was provided by:
EkstraStiftelsen Helse og Rehabilitering
Article History
First Online: 30 July 2019
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: The study was approved by the Regional Committee for Medical and Health Research Ethics. The research was conducted according to the Declaration of Helsinki.
: All subjects signed informed consent before participation in the trial. The study is registered in ExternalRef removed (NCT01270451).