1. Veterinary Population Medicine; College of Veterinary Medicine; University of Minnesota; St. Paul MN USA
2. Minnesota Aquatic Invasive Species Research Center; University of Minnesota; St. Paul MN USA
3. U.S. Geological Survey; Western Fisheries Research Center; Seattle WA USA
4. Facultad de Ecología y Recursos Naturales; Universidad Andres Bello; Santiago Chile
5. Veterinary Diagnostic Laboratory; College of Veterinary Medicine; University of Minnesota; St. Paul MN USA