1. 1Consultant Microbiologist, Bath, UK
2. 2Public Health Agency of Canada, Guelph, Canada
3. 3U.S. Department of Agriculture, Agricultural Research Service, Athens, Georgia, USA
4. 4Center for Food Safety, University of Georgia, Griffin, Georgia, USA
5. 5Flowbio-Veto, Ploufragon, France
6. 6Ministry of Agriculture, Moscow, Russia
7. 7VGNKI, Russia
8. 8Federal University of Rio Grande Do Sul, Porto Alegre, Brazil
9. 9Swedish University of Agricultural Sciences, Uppsala, Sweden