Pruszynski, J Andrew
Johansson, Roland S
Article History
Received: 27 June 2014
Accepted: 8 August 2014
First Online: 31 August 2014
Change Date: 15 September 2014
Change Type: Correction
Change Details: In the version of this supplementary file originally posted online, the raster image in Supplementary Figure 2a was left/right mirror-reversed. The error has been corrected in this file as of 15 September 2014.
Competing interests
: The authors declare no competing financial interests.