Heiervang, Kristin Sverdvik http://orcid.org/0000-0003-4553-8771
Egeland, Karina Myhren
Landers, Matthew
Ruud, Torleif
Joa, Inge
Drake, Robert E.
Bond, Gary R.
Funding for this research was provided by:
Helse Sør-Øst RHF (2015106)
Article History
First Online: 27 February 2020
Compliance with Ethical Standards
:
: The authors declare that they have no conflict of interest.
: Informed consent was obtained from all individual participants included in the study.