Gjerding, M. N.
Petersen, R.
Pedersen, T. G.
Mortensen, N. A. http://orcid.org/0000-0001-7936-6264
Thygesen, K. S. http://orcid.org/0000-0001-5197-214X
Article History
Received: 3 January 2017
Accepted: 28 June 2017
First Online: 22 August 2017
Competing interests
: The authors declare no competing financial interests.