Martens, Camilla http://orcid.org/0000-0002-4108-5851
Goplen, Frederik Kragerud
Aasen, Torbjørn
Nordfalk, Karl Fredrik
Nordahl, Stein Helge Glad
Article History
Received: 24 January 2019
Accepted: 30 April 2019
First Online: 14 May 2019
Compliance with ethical standards
:
: The authors have no conflicts of interest to disclose.