Skelton, Alasdair
Andrén, Margareta
Kristmannsdóttir, Hrefna
Stockmann, Gabrielle
Mörth, Carl-Magnus
Sveinbjörnsdóttir, Árny
Jónsson, Sigurjón
Sturkell, Erik
Guðrúnardóttir, Helga Rakel
Hjartarson, Hreinn
Siegmund, Heike
Kockum, Ingrid
Article History
Received: 19 March 2014
Accepted: 19 August 2014
First Online: 21 September 2014
Competing interests
: The authors declare no competing financial interests.