1. Bacteriology and Mycology, Institute for Infectious Diseases and Zoonoses, Department of Veterinary SciencesLMU Munich 80539 Munich Germany
2. Chair of Food Safety, Department of Veterinary SciencesLMU Munich 85764 Oberschleissheim Germany
3. Clinic for Small Animal Medicine, Department of Clinical Veterinary MedicineLMU Munich Munich 80539 Germany