1. University of Texas at San Antonio, Department of Biology and South Texas Center for Emerging Infectious Diseases, San Antonio, Texas, USA
2. Institute for Genome Sciences (IGS), University of Maryland, School of Medicine, Department of Microbiology and Immunology, Baltimore, Maryland, USA
3. Centers for Food Safety and Applied Nutrition, U.S. Food and Drug Administration, Laurel, Maryland, USA
4. National Veterinary Institute, Department of Bacteriology, SVA, Uppsala, Sweden
5. Washington University School of Medicine, St. Louis, Missouri, USA
6. Pennsylvania State University, Department of Veterinary and Biomedical Sciences, University Park, Pennsylvania, USA
7. Pennsylvania State University, Department of Food Science, University Park, Pennsylvania, USA
8. Johns Hopkins University, Department of Biology, Baltimore, Maryland, USA