1. Clinic of Small Animal Internal Medicine, Centre for Clinical Veterinary Medicine Ludwig‐Maximilian‐University Munich Germany
2. Department of Veterinary Sciences Institute of Infectious Diseases and Zoonoses, Faculty of Veterinary Medicine, Ludwig‐Maximilian‐University Munich Germany
3. Department of Veterinary Sciences Institute of Veterinary Pathology, Faculty of Veterinary Medicine, Ludwig‐Maximilian‐University Munich Germany