We would like to thank the following people and websites for their contributions.

Dr. G. Tim Bowden - Dept. of Radiation Oncology, University of Arizona, for helping us understand our assigned paper.

Donna J. Webb and Alan F. Horwitz- Co-Authors of the first half of our assigned paper "New dimensions in cell migration" and allowing us to use its graphics.

Erik Sahai and Christopher J. Marshall - Co-Authors of the second half of our paper "Differeing modes of tumour cell invations have distinct requirements for Rho/ROCK signalling and extracellular proteolysis." and for allowing us to use the movie clips