1. School of Veterinary Science, The University of Queensland, QLD, Australia
2. US Department of Agriculture–Food Safety and Inspection Service, Office of Field Operations, Washington, DC, USA
3. California Animal Health and Food Safety Laboratory System, San Bernardino, CA, USA
4. California Animal Health and Food Safety Laboratory System, Tulare, CA, USA
5. School of Veterinary Medicine, University of California–Davis, Tulare, CA, USA