1. Institute of Veterinary Pathology, Freie Universität Berlin, Berlin, Germany
2. Pattern Recognition Lab, Computer Science, Friedrich-Alexander-Universität Erlangen-Nürnberg, Erlangen, Germany
3. Vetsuisse Faculty, Department of Infectious Diseases and Pathobiology, Institute of Animal Pathology, University of Bern, Bern, Switzerland
4. Institute for Veterinary Epidemiology and Biostatistics, Freie Universität Berlin, Berlin, Germany
5. Michigan State University Veterinary Diagnostic Laboratory, Lansing, MI, USA
6. Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI, USA
7. Vet Med Labor GmbH, Division of IDEXX Laboratories, Ludwigsburg, Germany