Lie, Solrun Karlsen
Vestøl, Geir I.
Høibø, Olav
Gobakken, Lone Ross
Funding for this research was provided by:
Norges Forskningsråd (225345)
Article History
Received: 4 September 2018
First Online: 30 August 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.