Pharo, Heidi D.
Honne, Hilde
Vedeld, Hege M.
Dahl, Christina
Andresen, Kim
Liestøl, Knut
Jeanmougin, Marine
Guldberg, Per
Lind, Guro E.
Article History
Received: 18 July 2016
Accepted: 31 August 2016
First Online: 27 September 2016
Competing interests
: The authors declare no competing financial interests.