Ionta, Silvio
Villiger, Michael
Jutzeler, Catherine R
Freund, Patrick
Curt, Armin
Gassert, Roger
Article History
Received: 17 July 2015
Accepted: 30 December 2015
First Online: 4 February 2016
Change Date: 20 May 2016
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.