Hagen, Lene A.
Gjelle, Jon V. B.
Arnegard, Solveig
Pedersen, Hilde R. http://orcid.org/0000-0003-3946-6687
Gilson, Stuart J.
Baraas, Rigmor C. http://orcid.org/0000-0003-3259-7617
Article History
Received: 16 November 2017
Accepted: 28 August 2018
First Online: 7 September 2018
Competing Interests
: The authors declare no competing interests.