Vikmoen, Olav http://orcid.org/0000-0003-1661-9476
Raastad, Truls
Ellefsen, Stian
Rønnestad, Bent R.
Funding for this research was provided by:
Regional Science Fund - Innlandet of Norway. (203961)
Article History
Received: 31 October 2019
Accepted: 23 April 2020
First Online: 5 May 2020
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.