Received: 23 October 2020
Accepted: 1 January 2021
First Online: 18 January 2021
Ethics approval and consent to participate
: Owner agreement was obtained at the time of the donation of the canine body to use the data freely for research purpose. The approval for conducting this study was also granted by the Unit of Murine and Comparative Pathology without a request to ethical committee as the samples were collected after euthanasia elected by the owner or natural death. None of the animals was sacrificed for this study.
: Not applicable.
: The authors have no personal interest, direct or indirect, in any matter that raises or may raise a conflict and declare that they have no financial competing interests.