Solders, M
Martin, D A
Andersson, C
Remberger, M
Andersson, T
Ringdén, O
Solders, G
Article History
Received: 11 October 2013
Revised: 10 March 2014
Accepted: 13 March 2014
First Online: 5 May 2014
Competing interests
: The authors declare no conflict of interest.