Received: 30 October 2019
Accepted: 6 August 2020
First Online: 12 August 2020
Ethical approval and consent to participate
: All studies were conducted on clinical patients of the Department of Internal Medicine and Clinic of Diseases of Horses, Dogs and Cats, whose owners gave consent to participate in the study. Hence, ethical approval was not required.
: Not applicable.
: The authors declare that they have no competing interests.