1. Graduate Program in Anaesthesiology; Medical School of Botucatu, UNESP-Univ Estadual Paulista; Botucatu-SP Brazil
2. Department of Veterinary Surgery and Anaestesiology, Faculty of Veterinary Medicine and Animal Science; UNESP - Univ Estadual Paulista; Botucatu-SP Brazil
3. Taylor Monroe; Ely UK