1. Institute for Veterinary Bacteriology, Vetsuisse Faculty, University of Zürich, Winterthurerstrasse 270, CH-8057 Zürich, Switzerland
2. Family Medicine Department, Faculty of Medicine, University of Liège, Campus du SartTilman B23 Quartier Hôpital, Avenue Hippocrate 13, B4000 Liège, Belgium
3. Bacteriology Department of Infectious Diseases, Faculty of Veterinary Medicine, Centre for Fundamental and Applied Research in Animals and Health (FARAH), University of Liège (ULiège), Campus du SartTilman B43a, Quartier Vallée II, Avenue de Cureghem 6, B4000, Liège, Belgium
4. Institute for Veterinary Pathology, Vetsuisse Faculty, University of Zürich, Winterthurerstrasse 268, CH-8057 Zürich, Switzerland
5. Institute for Veterinary Medical Research, CAR, Hungarian Academy of Sciences, H-1143 Budapest, Hungaria Str. 21., Hungary