Received: 19 April 2020
Accepted: 30 July 2020
First Online: 12 August 2020
Ethics approval and consent to participate
: Data analysis for the current study was approved by the ethical committee of the veterinary faculty of the LMU Munich (210–04-04-2020). A written informed consent was obtained from the owners of the animals.
: Not applicable.
: The authors attest that they have no affiliations with or involvement in any organization or entity with any financial interest or non-financial interest in the subject matter or materials discussed in this manuscript.