M. Little, A. Gola, I. Tzoulaki, and W. Vandoolaeghe. (2009)cite arxiv:0912.5120
Comment: 4 pages, 0 figures. This expands on the comments made on the PLoS
Comput Biol webpage for the article of Little et al (PLoS Comput Biol 2009
5(10) e1000539). Acknowledgements have been added.