Helgeland, Hanna
Sodeland, Marte
Zoric, Nina
Torgersen, Jacob Seilø
Grammes, Fabian
von Lintig, Johannes
Moen, Thomas
Kjøglum, Sissel
Lien, Sigbjørn http://orcid.org/0000-0002-5159-1950
Våge, Dag Inge http://orcid.org/0000-0003-2568-1554
Article History
Received: 29 April 2019
Accepted: 12 December 2019
First Online: 27 December 2019
Competing interests
: The authors declare no competing interests.