In the above-mentioned article [Reference Launders, Locking, Hanson, Willshaw, Charlett, Salmon, Cowden and Adak1] the authors apologize for the omission of a contributor from the author group who shares rights to the authorship of this article.
The full author group should read:
N. LAUNDERS, M. E. LOCKING, M. HANSON, G. WILLSHAW, A. CHARLETT, R. SALMON, J. COWDEN, K. S. HARKER and G. K. ADAK