1. Epi-interactive; Wellington New Zealand
2. University of Warwick; Coventry UK
3. Department of Veterinary Population Medicine; College of Veterinary Medicine; University of Minnesota; Saint Paul MN USA
4. Minnesota Department of Health; Saint Paul MN USA
5. Veterinary Diagnostic Laboratory; College of Veterinary Medicine; University of Minnesota; Saint Paul MN USA
6. Division of Environmental Health Sciences; School of Public Health; University of Minnesota; Minneapolis MN USA