Fischer, Andreas C.
Forsberg, Fredrik
Lapisa, Martin
Bleiker, Simon J.
Stemme, Göran
Roxhed, Niclas
Niklaus, Frank
Article History
Received: 3 March 2015
Revised: 12 April 2015
Accepted: 14 April 2015
First Online: 28 May 2015
Competing interests
: The authors declare no conflict of interest.