Brandrud, Marie K.
Paun, Ovidiu http://orcid.org/0000-0002-8295-4937
Lorenzo, Maria T.
Nordal, Inger
Brysting, Anne K.
Article History
Received: 31 January 2017
Accepted: 2 June 2017
First Online: 17 July 2017
Competing Interests
: The authors declare that they have no competing interests.