Hansen, Peter R.
Nelveg-Kristensen, Karl Emil
Rasmussen, Henrik B.
Torp-Pedersen, Christian
Køber, Lars
Nielsen, Claus Henrik
Enevold, Christian
Article History
Received: 3 August 2017
Revised: 4 November 2018
Accepted: 21 December 2018
First Online: 17 January 2019
Compliance with ethical standards
:
: The authors declare that they have no conflict of interest.