Received: 4 October 2019
Accepted: 10 June 2020
First Online: 20 June 2020
Ethics approval and consent to participate
: This study was not submitted for ethics committee review because it is a retrospective analysis of medical records of the Veterinary Neurology Service, School of Veterinary Medicine and Animal Science form Sao Paulo State University-UNESP - Brazil.
: Not applicable.
: The authors declare that they have no competing interests.