title: In Reply.
authors.affiliation: McMaster University and the Perioperative Research Group, Population Health Research Institute, Hamilton, Ontario, Canada (Y.L.M.). yannick.lemanach@phri.ca.
authors.forename: Yannick
authors.initials: Y
authors.lastname: Le Manach
authors.forename: Reitze
authors.initials: R
authors.lastname: Rodseth
authors.forename: Christine
authors.initials: C
authors.lastname: Le Bihan-Benjamin
authors.forename: Bruce
authors.initials: B
authors.lastname: Biccard
authors.forename: Bruno
authors.initials: B
authors.lastname: Riou
authors.forename: P J
authors.initials: PJ
authors.lastname: Devereaux
authors.forename: Paul
authors.initials: P
authors.lastname: Landais
authors.forename: Gary
authors.initials: G
authors.lastname: Collins