Langseth, Miriam Sjåstad
Helseth, Ragnhild
Ritschel, Vibeke
Hansen, Charlotte Holst
Andersen, Geir Øystein
Eritsland, Jan
Halvorsen, Sigrun
Fagerland, Morten Wang
Solheim, Svein
Arnesen, Harald
Seljeflot, Ingebjørg
Opstad, Trine Baur
Article History
Received: 9 October 2019
Accepted: 3 March 2020
First Online: 19 March 2020
Competing interests
: The authors declare no competing interests.