Affiliation: | 1. Clinic for Horses, Free University of Berlin, Oertzenweg 19b, Berlin, 14163 Germany;2. Department of Epidemiology, Free University of Berlin, Königsweg 67, Berlin, 14163 Germany Contribution: Conceptualization, Formal analysis, Writing - review & editing;3. Department of Veterinary Pathology, Free University of Berlin, Robert-von-Ostertag-Str. 15, Berlin, 14163 Germany Contribution: Investigation, Writing - review & editing;4. Clinic for Horses, Free University of Berlin, Oertzenweg 19b, Berlin, 14163 Germany Contribution: Conceptualization, Supervision |