Brandtzaeg, Ole Kristian
Johnsen, Elin
Roberg-Larsen, Hanne
Seip, Knut Fredrik
MacLean, Evan L.
Gesquiere, Laurence R.
Leknes, Siri
Lundanes, Elsa
Wilson, Steven Ray
Article History
Received: 25 April 2016
Accepted: 25 July 2016
First Online: 16 August 2016
Competing interests
: The authors declare no competing financial interests.