Kvellestad, Anders http://orcid.org/0000-0002-5267-7705
Maeland, Steffen http://orcid.org/0000-0002-4652-4753
Strümke, Inga http://orcid.org/0000-0003-1820-6544
Article History
Received: 9 May 2018
Accepted: 15 November 2018
First Online: 12 December 2018