1. Clinical Pathophysiology and Clinical Pathology; Department of Veterinary Clinical Sciences; Justus-Liebig-University; Gießen Germany
2. Institute of Veterinary Pathology; Justus-Liebig-University; Gießen Germany
3. Small Animal Hospital and Animal Shelter; Tierklinik GmbH; Rostock Germany
4. State Office for Agriculture; Food Safety and Fishery Mecklenburg-Vorpommern; Department for Diagnostic Investigation of Epizootics; Rostock Germany