Lundberg, Vanja
Berglund, Martin
Skogberg, Gabriel
Lindgren, Susanne
Lundqvist, Christina
Gudmundsdottir, Judith
Thörn, Karolina
Telemo, Esbjörn
Ekwall, Olov
Article History
Received: 20 March 2016
Accepted: 10 October 2016
First Online: 8 November 2016
Competing interests
: The authors declare no competing financial interests.