Van den Stock, Jan
Hortensius, Ruud
Sinke, Charlotte
Goebel, Rainer
de Gelder, Beatrice
Article History
Received: 10 May 2015
Accepted: 5 August 2015
First Online: 4 September 2015
Change Date: 16 September 2015
Change Type: Update
Change Details: The version of this Article previously published quoted an incorrect abbreviation for Jan Van den Stock in the 'How to cite this article' section. This has now been corrected in both the PDF and HTML versions of the paper.
Competing interests
: The authors declare no competing financial interests.