Affiliation: | aDepartment of Anesthesia, University of Toronto, St. Michael’s Hospital, Toronto, Ontario, Canada;bDepartment of Physiology, University of Toronto, St. Michael’s Hospital, Toronto, Ontario, Canada;cInterdepartmental Division of Critical Care, University of Toronto, from the Keenan Research Centre in the Li KaShing Knowledge Institute of St. Michael’s Hospital, Toronto, Ontario, Canada. |