Rysgaard, Søren http://orcid.org/0000-0003-1726-2958
Bendtsen, Jørgen http://orcid.org/0000-0003-1393-3072
Mortensen, John http://orcid.org/0000-0001-9863-5343
Sejr, Mikael K.
Article History
Received: 7 September 2017
Accepted: 21 December 2017
First Online: 22 January 2018
Competing Interests
: The authors declare that they have no competing interests.