Kammann, Claudia I.
Schmidt, Hans-Peter
Messerschmidt, Nicole
Linsel, Sebastian
Steffens, Diedrich
Müller, Christoph
Koyro, Hans-Werner
Conte, Pellegrino
Joseph, Stephen
Article History
Received: 30 October 2014
Accepted: 13 May 2015
First Online: 9 June 2015
Change Date: 5 August 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 been fixed in the paper.
Competing interests
: The authors declare no competing financial interests.