Hugdahl, Emilia
Kalvenes, May Britt
Mannelqvist, Monica
Ladstein, Rita G
Akslen, Lars A
Article History
Received: 12 May 2017
Revised: 13 September 2017
Accepted: 2 October 2017
First Online: 9 November 2017
Change Date: 9 January 2018
Change Type: Update
Change Details: This paper was modified 12 months after initial publication to switch to Creative Commons licence terms, as noted at publication
Competing interests
: The authors declare no conflict of interest.