Hilmarsdottir, Bylgja
Briem, Eirikur
Halldorsson, Skarphedinn
Kricker, Jennifer
Ingthorsson, Sævar
Gustafsdottir, Sigrun
Mælandsmo, Gunhild M
Magnusson, Magnus K
Gudjonsson, Thorarinn
Article History
Received: 10 September 2016
Revised: 21 March 2017
Accepted: 22 March 2017
First Online: 11 May 2017
Competing interests
: The authors declare no conflict of interest.