1. From the Centre for Anaesthesia and Cognitive Function, Department of Anaesthesia, St. Vincent’s Hospital, Melbourne, Victoria, Australia (B.S., L.E., D.A.S.); Anaesthesia, Perioperative and Pain Medicine Unit, Melbourne Medical School, University of Melbourne, Melbourne, Victoria, Australia (B.S., L.E., D.A.S.,); Department of Surgery, Monash University, Melbourne, Victoria, Australia (S.M.); Ma