Korsgaard, Niels J. http://orcid.org/0000-0002-8700-7023
Nuth, Christopher
Khan, Shfaqat A. http://orcid.org/0000-0002-2689-8563
Kjeldsen, Kristian K. http://orcid.org/0000-0002-8557-5131
Bjørk, Anders A.
Schomacker, Anders
Kjær, Kurt H.
Article History
Received: 4 December 2015
Accepted: 18 April 2016
First Online: 10 May 2016
Competing interests
: The authors declare no competing financial interests.