Affiliation: | 1. Clinic for Small Animal Internal Medicine, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland;2. Institute for Veterinary Pathology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland;3. Section of Epidemiology, Vetsuisse Faculty, University of Zurich, Zurich, Switzerland;4. Department of Animal Medicine, Production and Health, University of Padova, Legnaro, PD, Italy;5. Istituto Veterinario di Novara, Granozzo con Monticello, NO, Italy |