Renault, K M
Carlsen, E M
Hædersdal, S
Nilas, L
Secher, N J
Eugen-Olsen, J
Cortes, D
Olsen, S F
Halldorsson, T I
Nørgaard, K
Article History
Received: 6 July 2016
Revised: 13 December 2016
Accepted: 20 December 2016
First Online: 17 January 2017
Competing interests
: The authors declare no conflict of interest.