Hodneland Nilsson, Linn Iren
Nitschke Pettersen, Ina Katrine
Nikolaisen, Julie
Micklem, David
Avsnes Dale, Hege
Vatne Røsland, Gro
Lorens, James
Tronstad, Karl Johan
Article History
Received: 27 August 2015
Accepted: 27 October 2015
First Online: 24 November 2015
Change Date: 19 August 2016
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.