Prüser, Henning
Dargel, Piet E.
Bouhassoune, Mohammed
Ulbrich, Rainer G.
Pruschke, Thomas
Lounis, Samir
Wenderoth, Martin
Article History
Received: 5 April 2014
Accepted: 30 September 2014
First Online: 11 November 2014
Change Date: 13 February 2015
Change Type: Update
Change Details: A correction has been published and is appended to both the HTML and PDF versions of this paper. The error has not been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.