1 Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA. Electronic address: evettorato@ufl.edu.
2 Disney's Animals, Science and Environment, Disney's Animal Kingdom, Lake Buena Vista, FL, USA.
3 Department of Comparative, Diagnostic, and Population Medicine, College of Veterinary Medicine, University of Florida, Gainesville, FL, USA.