Mysterud, Atle http://orcid.org/0000-0001-8993-7382
Hopp, Petter http://orcid.org/0000-0002-8695-0378
Alvseike, Kristin Ruud
Benestad, Sylvie L.
Nilsen, Erlend B. http://orcid.org/0000-0002-5119-8331
Rolandsen, Christer M. http://orcid.org/0000-0002-5628-0385
Strand, Olav
Våge, Jørn
Viljugrein, Hildegunn http://orcid.org/0000-0002-3798-5267
Article History
Received: 24 March 2020
Accepted: 12 August 2020
First Online: 1 September 2020
Competing interests
: The authors declare no competing interests.