1. Instituto de Investigación Sanitaria Aragón, 50009 Zaragoza, Spain
2. Department of Animal Pathology, Faculty of Veterinary, University of Zaragoza, 50013 Zaragoza, Spain
3. Department of Microbiology, Pediatrics, Radiology, and Public Health, Faculty of Medicine, University of Zaragoza, 50009 Zaragoza, Spain
4. Department of Animal Production and Food Science, Faculty of Veterinary, University of Zaragoza, 50013 Zaragoza, Spain
5. Miguel Servet University Hospital, Microbiology, 50009 Zaragoza, Spain