1. Tiermedizinzentrum BerlinKufsteiner Straße 2210825BerlinGermany
2. Federal Research Institute for Animal HealthFriedrich‐Loeffler‐InstituteGreifswaldInsel Riems17493Germany
3. Department of Veterinary MedicineInstitute of Veterinary PathologyBerlin14163Germany
4. Department of Veterinary Medicine/Small Animal ClinicFree University of BerlinBerlin14163Germany