Kirkegaard, Rasmus Hansen
Dueholm, Morten Simonsen http://orcid.org/0000-0003-4135-2670
McIlroy, Simon Jon http://orcid.org/0000-0003-3749-8730
Nierychlo, Marta
Karst, Søren Michael
Albertsen, Mads
Nielsen, Per Halkjær
Article History
Received: 6 October 2015
Revised: 15 February 2016
Accepted: 22 February 2016
First Online: 8 April 2016
Competing interests
: The authors declare no conflict of interest.