1. Department of Veterinary Surgery and Anesthesiology, School of Veterinary Medicine and Animal Science, São Paulo State University (Unesp), Botucatu, São Paulo, Brazil
2. Bioethicus Institute, Botucatu, São Paulo, Brazil
3. Department of Veterinary Surgery and Anesthesiology, Faculty of Veterinary Medicine, University of Western São Paulo (Unoeste), Presidente Prudente, São Paulo, Brazil