1 Large Animal Clinical Sciences, College of Veterinary Medicine, University of Florida, PO Box 100136, Gainesville, FL 32610-0136, USA. Electronic address: [email protected].
2 Department of Population Medicine and Diagnostic Sciences, College of Veterinary Medicine, Cornell University, S1-058 Schurman Hall, Upper Tower Road, Ithaca, NY, 14853-6401, USA. Electronic address: [email protected].