The official scientific journal of the International Anesthesia Research Society ® , The Society of Cardiovascular Anesthesiologists, the Society for Pediatric Anesthesia, the Society for Ambulatory Anesthesia, the International Society for Anaesthetic Pharmacology, the Society for Technology in Anesthesia, the Anesthesia Patient Safety Foundation, the American Society of Critical Care Anesthesiologists, and the Society for Obstetric Anesthesia and Perinatology.