Shapira, Ofer
Gheber, Larisa
Article History
Received: 7 December 2015
Accepted: 20 April 2016
First Online: 24 May 2016
Change Date: 25 July 2017
Change Type: Update
Change Details: The version of this paper was updated after publication, following a technical error that resulted in the links to the Supplementary Videos 1-9 and Supplementary Information file being omitted. This has now been corrected in the PDF and HTML versions of the paper.
Competing interests
: The authors declare no competing financial interests.