Svanevik, Marius http://orcid.org/0000-0003-4303-5935
Risstad, Hilde
Hofsø, Dag
Blom-Høgestøl, Ingvild K
Kristinsson, Jon A.
Sandbu, Rune
Småstuen, Milada Cvancarova
Thorsby, Per Medbøe
Mala, Tom
Hjelmesæth, Jøran
Funding for this research was provided by:
Helse Sør-Øst RHF (*)
Article History
First Online: 8 May 2019
Compliance with Ethical Standards
: The study is approved by the Regional Ethics Committees for Medical and Health Research (S-08466d).
: Marius Svanevik reports grants from Southern and Eastern Norway Health Authority, during the conduct of the study. All other authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.
: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.