title: Erratum 1.
authors: Department of Anesthesia, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada.
authors: Kathryn
authors: K
authors: Jenkins
authors: Department of Anesthesia, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada. david.wong@uhn.on.ca.
authors: David T
authors: DT
authors: Wong
authors: Department of Anesthesia, Toronto Western Hospital, University of Toronto, Toronto, Ontario, Canada.
authors: Robin
authors: R
authors: Correa