Tapken, Daniel
Steffensen, Thomas Bielefeldt
Leth, Rasmus
Kristensen, Lise Baadsgaard
Gerbola, Alexander
Gajhede, Michael
Jørgensen, Flemming Steen
Olsen, Lars
Kastrup, Jette Sandholm
Article History
Received: 20 September 2016
Accepted: 13 March 2017
First Online: 7 April 2017
Competing interests
: The authors declare no competing financial interests.