Winther-Larsen, Anne
Demuth, Christina
Fledelius, Joan
Madsen, Anne Tranberg
Hjorthaug, Karin
Meldgaard, Peter
Sorensen, Boe Sandahl
Article History
Received: 12 May 2017
Revised: 7 June 2017
Accepted: 13 June 2017
First Online: 6 July 2017
Competing interests
: The authors declare no conflict of interest.