1. Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, Ithaca, NY USA
2. Educational Support Services, Cornell University College of Veterinary Medicine, Ithaca, NY USA
3. Department of Comparative Pathobiology, Cummings School of Veterinary Medicine at Tufts University, Grafton, MA USA
4. Department of Clinical Sciences, Cornell University College of Veterinary Medicine, Ithaca, NY USA
5. Department of Population Medicine & Diagnostic Sciences, Cornell University College of Veterinary Medicine, Ithaca, NY, USA. Department of Public and Ecosystem Health, Cornell University College of Veterinary Medicine, Ithaca, NY USA.