Follin-Arbelet, Virginie
Misund, Kristine
Hallan Naderi, Elin
Ugland, Hege
Sundan, Anders
Kiil Blomhoff, Heidi
Article History
Received: 29 October 2014
Accepted: 30 June 2015
First Online: 26 August 2015
Competing interests
: The authors declare no competing financial interests.