Bräuner, Elvira Vaclavik
Andersen, Zorana Jovanovic
Frederiksen, Marie
Specht, Ina Olmer
Hougaard, Karin Sørig
Ebbehøj, Niels
Bailey, Janice
Giwercman, Aleksander
Steenland, Kyle
Longnecker, Matthew Paul
Bonde, Jens Peter
Article History
Received: 11 October 2015
Accepted: 31 March 2016
First Online: 19 April 2016
Competing interests
: The authors declare no competing financial interests.