Christiansen, Thomas
Cotte, Marine
Loredo-Portales, René
Lindelof, Poul Erik
Mortensen, Kell http://orcid.org/0000-0002-8998-9390
Ryholt, Kim
Larsen, Sine
Article History
Received: 31 August 2017
Accepted: 31 October 2017
First Online: 10 November 2017
Competing Interests
: The authors declare that they have no competing interests.