1. Division of Microbiology, FDA, College Park, Maryland, USA
2. French Agency for Food, Environmental and Occupational Health and Safety, Food Research Laboratory (IdentyPath Platform), Maisons-Alfort, France
3. Division of Molecular Biology, FDA, Laurel, Maryland, USA
4. U.S. Meat Animal Research Center, ARS, USDA, Clay Center, Nebraska, USA
5. Federal Institute for Risk Assessment, Berlin, Germany
6. Free University of Berlin, Berlin, Germany