Eriksson-Hogling, D
Andersson, D P
Bäckdahl, J
Hoffstedt, J
Rössner, S
Thorell, A
Arner, E
Arner, P
Rydén, M
Article History
Received: 28 September 2014
Revised: 8 December 2014
Accepted: 1 February 2015
First Online: 10 February 2015
Competing interests
: The authors declare no conflict of interest.