1. From the Department of Anesthesia and Pain Management, Toronto General Hospital, and the Department of Anesthesia and Pain Medicine, University of Toronto — both in Toronto (W.A.K.); the Division of Anesthesiology, Intensive Care, and Emergency Medicine, University Medical Center Utrecht, the Netherlands (W.A.K.); and the Departments of Anesthesia, Critical Care, and Pain Medicine (M.D.S.) and Medicine (P.E.H.), Massachusetts General Hospital, and the Departments of Anesthesia, Critical Care, and Pain...