1. U.S. Food and Drug Administration, Center for Veterinary Medicine, Division of Animal and Food Microbiology, Laurel, Maryland, USA
2. U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Applied Research and Safety Assessment, Division of Virulence Assessment, Laurel, Maryland, USA
3. U.S. Department of Agriculture, ARS, National Center for Agricultural Utilization Research, Bioenergy Research Unit, Peoria, Illinois, USA
4. U.S. Food and Drug Administration, Center for Food Safety and Applied Nutrition, Office of Analytics and Outreach, Division of Public Health Informatics and Analytics, College Park, Maryland, USA
5. SAIC-Frederick National Laboratory for Cancer Research, Frederick, Maryland, USA