Received: 1 April 2019
Accepted: 19 July 2019
First Online: 1 August 2019
Ethics approval and consent to participate
: All procedures performed in studies involving animals were in accordance with the ethical standards of the institution or practice at which the studies were conducted. Informed consent was obtained from the owners of the dogs included in the study.
: Consent for publication was obtained from the owners of the dogs that had data included in the study.
: The authors declare that they have no conflict of interest.