Fridriksdottir, Agla J.
Kim, Jiyoung
Villadsen, René
Klitgaard, Marie Christine
Hopkinson, Branden M.
Petersen, Ole William
Rønnov-Jessen, Lone
Article History
Received: 19 November 2014
Accepted: 4 October 2015
First Online: 13 November 2015
Competing interests
: The authors declare no competing financial interests.