There was an error published in Dis. Model. Mech.8, 867-875.

The spelling of an author name was given incorrectly as Melody J. Whitley. The correct spelling is given in the author list above.

The authors apologise to readers for this error.

This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution and reproduction in any medium provided that the original work is properly attributed.