Petersen, Tanja K. http://orcid.org/0000-0002-7599-712X
Speed, James D. M. http://orcid.org/0000-0002-0633-5595
Grøtan, Vidar
Austrheim, Gunnar
Article History
Received: 13 January 2020
Accepted: 2 May 2020
First Online: 22 May 2020
Competing interests
: The authors declare no competing interests.