1. Department of Veterinary Clinic; School of Veterinary Medicine and Animal Science; Botucatu Sao Paulo Brazil
2. Department of Anesthesiology; Botucatu Medical School; Botucatu Sao Paulo Brazil
3. Department of Veterinary Medicine, School of Veterinary and Zootechny; Federal University of Goias; Goiânia Brazil
4. Department of Urology; Botucatu Medical School; Botucatu Sao Paulo Brazil
5. International Center for Research (CIPE); AC Camargo Hospital, Liberdade Sao Paulo Brazil