1. Division of Microbiology, US Food and Drug Administration, National Center for Toxicological Research, 3900 NCTR Road, Jefferson, AR 72079, USA
2. Department of Entomology, The Ohio State University, Ohio Agricultural Research and Development Center (OARDC), Thorne Hall, 1680 Madison Avenue Wooster, OH 44691, USA
3. Department of Biomedical Sciences and Pathobiology, Virginia Polytechnic Institute and State University, Virginia-Maryland Regional College of Veterinary Medicine, Center for Molecular Medicine and Infectious Diseases, 1981 Kraft Drive, Blacksburg, VA 24061, USA
4. Division of Viral Pathogenesis, Harvard Medical School, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA
5. Department of Veterinary Preventive Medicine, The Ohio State University, OARDC, Food Animal Health Research Program, 1680 Madison Avenue, Wooster, OH 44691, USA
6. Department of Food Science and Technology, The Ohio State University, College of Food, Agricultural and Environmental Sciences, 2015 Fyffe Road, Columbus, OH 43210, USA