1. Department of Chemistry University of Warwick Coventry CV4 7AL UK
2. Current address: Stellenbosch University Matieland Western Cape South Africa
3. Discovery Biology, Griffith Institute for Drug Discovery Griffith University Nathan Queensland 4111 Australia
4. Microbial Immunity and Pathogenesis Group, Department of, Infectious Diseases and Immunology, Sydney Medical School The University of Sydney Sydney NSW 2006 Australia
5. Foodborne Toxin Detection and Prevention Research Unit, Agricultural Research Service United States Department of Agriculture Albany CA 94710 USA
6. Department of Biological Sciences University of the Pacific Stockton CA 95211 USA
7. School of Pharmacy University of Birmingham Birmingham B15 2TT UK