1Small Animal Clinic, University of Veterinary Medicine Hannover Foundation, Hannover, Germany
2Chronix Biomedical, Göttingen, Germany
3Institute of Veterinary Medicine, University of Göttingen, Göttingen, Germany
4Department of Pathology, University of Veterinary Medicine Hannover Foundation, Hannover, Germany
5Haematology, Oncology and Palliative Medicine, Clinic III, University of Rostock, Rostock, Germany
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