Bischof, Richard http://orcid.org/0000-0002-1267-9183
Bonenfant, Christophe http://orcid.org/0000-0002-9924-419X
Rivrud, Inger Maren
Zedrosser, Andreas
Friebe, Andrea
Coulson, Tim http://orcid.org/0000-0001-9371-9003
Mysterud, Atle http://orcid.org/0000-0001-8993-7382
Swenson, Jon E.
Article History
Received: 19 June 2017
Accepted: 31 October 2017
First Online: 11 December 2017
Competing interests
: The authors declare no competing financial interests.