Junlén, H R
Peterson, S
Kimby, E
Lockmer, S
Lindén, O
Nilsson-Ehle, H
Erlanson, M
Hagberg, H
Rådlund, A
Hagberg, O
Wahlin, B E
Article History
Received: 17 July 2014
Revised: 11 August 2014
Accepted: 20 August 2014
First Online: 25 August 2014
Competing interests
: The authors declare no conflict of interest.