1. 1. Department of Small Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610, USA
2. 2. Florida Fish and Wildlife Conservation Commission, Fish and Wildlife Research Institute, Jacksonville Field Laboratory, Jacksonville, Florida 32221, USA
3. 3. Associate Director of Aquatic Animal Health, College of Veterinary Medicine, University of Florida, Gainesville, FL 32610, USA
4. 4. Department of Veterinary Pathobiology, School of Veterinary Medicine, Purdue University, West Lafayette, IN 47907, USA